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How Do I Fix Error 502 On Google? Trust The Answer

Are you looking for an answer to the topic “How do I fix Error 502 on Google“? We answer all your questions at the website Ph.taphoamini.com in category: 667+ tips for you. You will find the answer right below.

The 502 (Bad Gateway) status code indicates that the server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request. Every time you visit a website your browser sends a request to a web server.The major ways to Fix: the 502 Bad Gateway Error in Chrome are identifying and Removing Extensions via Incognito Mode, Check Website Server Status, Clear Browser Cache and Cookies, and Clear DNS Cache, and Change Network DNS Addresses.Server overload: An overloaded server is one of the most common causes of a 502 error. This is where the server has reached its memory capacity, often activated by an unusually high number of visitors trying to access the same website.

How to Fix 502 Bad Gateway Error
  1. Refresh the Page. The first solution is a fairly simple one – wait around for a minute or two and refresh the page you’re on. …
  2. Clear Browser Cache. …
  3. Try in Incognito Mode. …
  4. Flush DNS. …
  5. Test on Another Device. …
  6. Check Error Log. …
  7. Check Plugins and Themes. …
  8. Check CDNs.

Why is Google giving me a 502 error?

The 502 (Bad Gateway) status code indicates that the server, while acting as a gateway or proxy, received an invalid response from an inbound server it accessed while attempting to fulfill the request. Every time you visit a website your browser sends a request to a web server.

How do I fix bad gateway on Google Chrome?

The major ways to Fix: the 502 Bad Gateway Error in Chrome are identifying and Removing Extensions via Incognito Mode, Check Website Server Status, Clear Browser Cache and Cookies, and Clear DNS Cache, and Change Network DNS Addresses.

Why do I keep getting a 502 Bad gateway?

Server overload: An overloaded server is one of the most common causes of a 502 error. This is where the server has reached its memory capacity, often activated by an unusually high number of visitors trying to access the same website.

How do I fix error 502 in Gmail?

If you’re seeing a “Temporary Error (502)” message when you try to sign in to Gmail, your mail is temporarily unavailable. This error usually goes away quickly, so try signing in again in a few minutes. Even though you can’t sign in for the moment, your messages and personal information are still safe.

How to Fix: 502 Bad Gateway Error in Chrome?

Sometimes extensions or add-ons that you have installed on your browser, or applications that you have installed on your computer can prevent Gmail from working.

Try temporarily disabling these extensions and applications one at a time, and then use Gmail again to see if that fixes the problem.

To use Gmail without extensions, open Gmail in your browser’s incognito or private browsing mode.

Is a 502 Bad Gateway my fault?

A 502 Bad Gateway Error occurs when you try to visit a web page, but one web server gets an invalid response from another. Normally, the problem is on the website itself, and there’s nothing you can do. Other times, this error occurs because of a problem with your computer or networking equipment.

How to Fix: 502 Bad Gateway Error in Chrome?

A 502 Bad Gateway Error occurs when you try to visit a web page but one web server receives an invalid response from another. Usually the problem is with the website itself and there is nothing you can do about it. In other cases, this error occurs due to a problem with your computer or network equipment.

What is a 502 Bad Gateway Error?

A 502 Bad Gateway Error means that the web server you connected to was acting as a proxy to relay information from another server, but received a bad response from that other server. It’s called a 502 error because that’s the HTTP status code that the web server uses to describe this type of error.

These bad reactions can be due to a number of different causes. The server may be overloaded or there may be network problems between the two servers and the problem is only temporary. It is also possible that there is a misconfigured firewall or even a coding error and the issue will not be resolved until these issues are resolved.

Just like 404 errors, website designers can customize the look of a 502 error. So you may see different looking 502 pages on different websites. Sites may also use slightly different names for this error. For example, you may see things like:

HTTP Error 502 Bad Gateway

HTTP 502

502 Service temporarily overloaded

Temporary error (502)

502 Server Error: The server encountered a temporary error and could not complete your request

502 Bad Gateway nginx

In the vast majority of cases, this is just a bug on the server side of things that you can’t do anything about. Sometimes it’s a temporary bug; sometimes it isn’t. Still, there are some things you can try on your end of things.

Reload the page

Refreshing the page is always worth trying. Often the 502 error is temporary, and a simple update might do the trick. Most browsers allow you to refresh the page by pressing Ctrl+R on Windows or Cmd+R on Mac, and also provide a refresh button somewhere in the address bar.

It doesn’t fix the issue very often, but it only takes a second to try.

Check if the site is unavailable to other people

If you can’t reach a website (for whatever reason), you can also check if it’s just you having a connection problem or if other people are having the same problems. There are many tools for this, but our favorites are isitdownrightnow.com and downforeveryoneorjustme.com. Both work pretty much the same. Enter the URL you want to check and you will get a result like this.

If you get a report saying the website is down for everyone, there’s not much you can do except try again later. If the report shows the site is up, the problem may be yours. It’s very rare for this to happen with a 502 error, but it’s possible and you can try some of the things we describe in the next few sections.

Try a different browser

It’s possible that a problem with your browser is causing the 502 Bad Gateway error. An easy way to check this is to use a different browser and see if it works. You can use Google Chrome, Mozilla Firefox, Apple Safari or Microsoft Edge. If you can still see the error in the new browser, then you know it’s not a browser issue and you should try a different solution.

Clear your browser’s cache and cookies

If trying a different browser works, your main browser may have cached outdated or corrupted files that could be causing the 502 error. Removing these cached files and trying to open the website might solve the problem.

It’s definitely worth trying, and we have a handy guide for you on how to clear your history on any browser.

RELATED: How to Clear Your History in Any Browser

Check your plugins and extensions

If you are using extensions in your browser, it is possible that one or more of the extensions are causing the problem. Try disabling all your extensions and then accessing the website. If the error goes away after that, it’s likely that a plugin is causing the problem. Activate your plugins one by one to find the culprit.

RELATED: How to Uninstall Extensions in Chrome, Firefox, and Other Browsers

Reboot your devices

So you’ve used a website verification tool and discovered that the website isn’t available to you. And you have tested another browser and have the same problem. So you know the problem is probably yours, but it’s not your browser.

It’s possible that there are some strange, temporary problems with your computer or network equipment (wireless LAN, router, modem, etc.). A simple restart of your computer and network devices may help resolve the issue.

Change your DNS servers

Sometimes DNS problems can cause 502 errors. Changing your DNS servers is not a likely solution, but it is a possible one. And it’s not too difficult to do. Unless you’ve changed them yourself, your DNS servers are likely set by your ISP. You can change them to a third party DNS server like OpenDNS or Google DNS and that might solve the problem.

And there are other reasons why you might want to change DNS servers too – such as: B. higher speed and reliability.

RELATED: The Ultimate Guide to Changing Your DNS Server

What do you mean by Gateway Timeout?

The 504 (Gateway Timeout) status code indicates that the server, while acting as a gateway or proxy, did not receive a timely response from an upstream server it needed to access in order to complete the request. To simplify it further, this error occurs when two servers are involved in processing a request.

How to Fix: 502 Bad Gateway Error in Chrome?

The 504 gateway timeout error is one of the most common HTTP 5xx errors that website owners and website visitors face. For many WordPress blogs and ecommerce platforms, knowing how to fix server errors like this one is crucial to keep their hard-earned visitors from going to competitor websites.

Because the 504 Gateway Timeout error doesn’t tell you why it occurred, it’s difficult to pinpoint exactly what’s causing the server timeout. This article will help you understand it in detail, learn how to diagnose its cause and then fix it.

After trying all the different solutions mentioned in the post, your website should be up and running in no time.

Sounds interesting? Let’s dive in!

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The 504 gateway timeout error is one of the most common HTTP 5xx errors that website owners and website visitors face. 🤔 Learn how to fix the problem quickly with this guide. ⬇️

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What is the 504 gateway timeout error?

Every time you visit a website in your browser, the browser sends a request to the web server hosting the website. The server processes the request and responds with the requested resources.

See how Kinsta compares to the competition. Choose Your Provider WP Engine SiteGround GoDaddy Bluehost Flywheel HostGator Cloudways AWS Digital Ocean DreamHost Compare Others

The server response includes one of many HTTP status codes to indicate the status of the response to the browser. But not all of these HTTP status codes are errors. For example, a status code of 200 OK means that the server successfully processed the request and “everything is fine”.

The 5xx class of HTTP status codes indicates that something is wrong with the server, the server is aware of it and cannot complete the client request. Therefore, they are also known as Server Error 5xx status codes.

Officially, five status codes are given under the 5xx class (500, 501, 502, 503, 504). You may also encounter many unofficial codes (506, 507, 509, 520, etc.).

The Internet Engineering Task Force (IETF) defines the 504 Gateway Timeout error as follows:

The 504 (Gateway Timeout) status code indicates that the server, while acting as a gateway or proxy, did not receive a timely response from an upstream server it needed to access to complete the request.

To simplify further, this error occurs when two servers are involved in processing a request. The first server (usually the main server) expires and waits for a response from the second server (upstream server).

The 504 gateway timeout error manifests itself in various forms. Here are a few ways it usually appears:

The 504 Gateway Timeout error is similar to the 502 Bad Gateway error, which indicates that the first server received an invalid response from the second (upstream) server.

Variations of the 504 gateway timeout error

The browser shows every 504 gateway timeout error in it, just like any other error. Since there are different operating systems, web servers, browsers and user agents, it can appear in different ways.

Below are some common variants of 504 error messages you may encounter:

504 Gateway timeout

504 gateway timeout NGINX

NGINX 504 gateway timeout

Gateway timeout error

Error 504

HTTP error 504

HTTP Error 504 – Gateway Timeout

HTTP 504

504 error

Gateway timeout (504)

This page isn’t working – The domain took too long to respond

504 Gateway Timeout – The server did not respond in time

The page request was canceled because it took too long to execute

Website visitor: There was a problem processing your request. Please try again in a few minutes.

Site owner: Gateway timed out. Check your error log for more information.

A blank white screen

All of the above error responses, although worded differently, point to the same 504 gateway timeout server error.

Web servers and websites can customize how they present the 504 gateway timeout error to users. Some of them can be cool! It’s an excellent tactic to quell the disappointment of your visitors.

SEO impact of 504 gateway timeout error

All 5xx errors prevent a web page from loading, thereby adversely affecting the user experience. Therefore, search engines like Google take these errors seriously. If the error persists for a long period of time, it can even result in the website being removed from search engine results.

For example, when Google spiders come across a 503 Service Unavailable error, they will understand that it is a temporary issue as it is mainly used to enable website maintenance mode. Therefore, they try to crawl the page again later.

A 504 gateway timeout error is not necessarily temporary as it can have multiple reasons. If your site is down for just a few minutes and the spiders try to crawl it several times a minute, they try to serve the page from their cache. You wouldn’t even notice.

However, if your site is down for more than 6 hours or more, Google considers the 504 error to be a serious site-wide issue that you need to fix as soon as possible. This can negatively impact your SEO.

Google Search Console is one of the best SEO tools for monitoring your website’s HTTP 5xx errors.

Causes of 504 gateway timeout error

Since the 504 error is due to a timeout between servers, the problem is probably not with the client’s device or internet connection. This includes your device and connection.

A 504 gateway timeout error indicates that the web server is waiting too long for a response from another server and is “timed out”. This timeout can have many reasons: The other server is not working properly, is overloaded or is down.

The other server does not always have to be external (e.g. CDN, API gateway). It can also be a server-like entity within the main web server (e.g. reverse proxy server, database server).

How to fix 504 gateway timeout error

Without knowing exact details about the WordPress site such as: B. the server configuration, hosting plan, third-party plugins and the traffic it attracts, you may find it frustrating and overwhelming to troubleshoot a 504 gateway timeout error.

Because there are many variables involved, I recommend that you start by troubleshooting client-side issues, which are fairly rare, and then move on to troubleshooting server-side issues. They are usually the culprits with 504 errors.

Try reloading the webpage

One of the first things to try when encountering a 504 gateway timeout error is to wait a few minutes and try refreshing the page.

You can press the F5 key combination to refresh/reload the webpage in most browsers. To clear the page’s browser cache before reloading, you can press CTRL+F5 instead.

While you’re at it, you can also try loading the website in a different browser to rule this out as a problem. Since most 504 errors are due to temporarily overloaded servers, using this solution should get your website working again right away.

If waiting and reloading the website doesn’t fix the 504 error problem, you can check if a website is down for everyone or just you. Two useful online tools for testing a website for downtime are Down for Everyone or Just Me and Is It Down Right Now?

Restart your network devices

Sometimes problems with your network devices like modem or router can cause 504 gateway timeout error. Restarting these devices might help you fix the problem.

While you can turn off all of these network devices in any order, the order in which you turn them back on is important. Typically turn these devices on from the “outside in” by following the ISP’s connection order to your main client device.

Check your proxy settings

A proxy server sits between your device and the internet. It is mainly used to improve online privacy by hiding private information (e.g. device location) from websites and web servers (e.g. using a VPN).

Although it is rare for proxy servers to cause a 504 error, sometimes incorrect proxy server settings can be the culprit. You can disable the proxy server and try reloading the webpage to see if that fixes the error.

Most clients do not use a proxy service, so you can skip this step if you are sure you are not using a proxy server. However, you may have set it without even knowing it. I would suggest that you check your device and browser proxy settings to rule out this cause.

DNS problems

A 504 gateway timeout error can also be caused by DNS issues on the server side or the client side (or both).

The most likely reason for a server-side DNS problem is that the FQDN (fully qualified domain name) does not resolve to the correct IP address, or the DNS server is not responding. Usually this occurs when you have just migrated your WordPress site to a new server or host. Therefore, it is important to wait until the domain’s DNS records are fully propagated, which can take up to 24 hours.

You can use free tools like whatsmydns.net DNS Checker or DNSMap to see if your DNS has spread worldwide.

To troubleshoot client-side DNS issues, you can try flushing your local DNS cache. It’s like clearing your browser cache, except here you’re flushing the DNS cache from the operating system.

If you are using Windows, you can flush DNS cache by opening Command Prompt and typing the following statement:

ipconfig /flushdns

You should see the message “DNS resolver cache flushed successfully”. message if it worked.

For the latest macOS versions, you can open the terminal and run the following command:

sudo killall -HUP mDNSResponder

You won’t see a notification in macOS when the process is complete, but you can change this by appending the command with your custom message.

sudo killall -HUP mDNSResponder; DNS cache was cleared successfully

If you’re using older versions of macOS, the command you need to enter will vary depending on which version of macOS you’re running. For more details, see the macOS section in Kinsta’s in-depth flush DNS tutorial.

If you are using the Linux operating system, the process is quite similar to macOS as even Linux uses the terminal as a command line interface. Because there are many Linux distributions, the exact command you need to run may vary from one distribution to another. For more information, see Kinsta’s guide.

Finally, you can temporarily change your client-side DNS servers. By default, your ISP assigns you the DNS servers automatically. However, you can temporarily change these to public DNS IPs.

Some reliable DNS servers you can try are Google Public DNS, Cloudflare 1.1.1.1, Quad9 DNS, and Cisco OpenDNS.

Temporarily disable your website’s CDN

Sometimes the problem could also be with your Content Delivery Network (CDN). When a website’s origin server is unreachable, most CDNs attempt to serve the full webpage from their cache.

But most CDNs don’t enable this feature by default because of the complexity of caching dynamic assets on most websites (e.g. WordPress admin dashboard).

An easy way to fix this is to temporarily disable your CDN. For example, if you use the free CDN Enabler WordPress plugin to associate your website assets with the CDN URLs, you can disable the plugin and test your website reloading.

The same goes for using any other plugins you use to connect to your CDN (e.g. WP Rocket, Breeze, W3 Total Cache).

If you cannot access your website admin dashboard, you can disable the plugin via SFTP by renaming the plugin folder name.

CDNs like Cloudflare or Sucuri that provide full proxy services have additional firewalls between their edge servers and your origin server. As a result, HTTP 5xx errors are common when using it. Most of them cache 5xx errors returned from your origin server, making them easy to fix.

Cloudflare’s free plan tends to throw a 5xx error. Unfortunately, since it’s a full proxy service, there’s no quick way to disable it. But before you blame Cloudflare for this, you should know that Cloudflare shows two variants of the 504 Gateway Timeout error.

504 Gateway Timeout on Cloudflare (Variation 1)

Cloudflare will show you a custom 504 gateway timeout error screen if your site’s origin server responds with a standard HTTP 504 response.

Here the problem is with your web server and not with Cloudflare. You can try to fix the problem with the other solutions mentioned below or contact your hosting provider’s support for technical help.

504 Gateway Timeout at Cloudflare (Variant 2)

When Cloudflare causes the 504 Gateway Timeout error, the error screen will mention “cloudflare”, which is currently the default server name for all Cloudflare assets. Usually the error screen is shown as follows:

Because Cloudflare itself isn’t responding, you won’t see a Cloudflare-branded error screen here.

Most likely, Cloudflare is already aware of the issue and is already working on a fix. You can confirm this by checking the Cloudflare System Status webpage. Alternatively, you can contact Cloudflare Support for a faster resolution.

504 Gateway timed out on Cloudflare due to large uploads

The size of your uploads to your website can also be a reason for server timeouts. Cloudflare limits upload file size (per HTTP POST request) to just 100MB on both Free and Pro plans.

The problem may be on your host’s side or with Cloudflare. You can find out the exact cause by bypassing Cloudflare with your DNS hosts file and trying the upload again.

If you’re using Cloudflare with WordPress, I recommend using the free plugin and excluding critical URLs from caching (e.g. the WordPress admin dashboard). You can refer to Kinsta’s detailed post on configuring Cloudflare settings for WordPress.

Suggested reading: How to Set Up Cloudflare APO for WordPress.

Server issues (check with your host)

Server issues are one of the most common reasons for a 504 gateway timeout error. Since most WordPress sites are hosted on Nginx or Apache web servers, Nginx or Apache is waiting for a response from something and times out.

Many clients come to Kinsta because of this very issue they face with other WordPress hosts. The conversation goes something like this:

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We have around 100,000 visitors per month with more than 200,000 views. Currently we’re hosting with ____ and we’re constantly experiencing 504 errors due to server overload. I don’t like how ____ has handled the issue and we have also been told that we will have to move to their dedicated plans soon which I don’t think is necessary.

High-traffic and e-commerce sites are more prone to 504 errors due to server congestion as they generate many uncacheable requests. However, this problem can occur with any website, including simple blogs. Many hosts will ask you to upgrade to a high-tier plan to fix the problem, which in most cases is unnecessary.

Kinsta uses LXD managed hosts and orchestrated LXC software containers for each site. Thus, each WordPress site resides in its own isolated container with access to all the software needed to run it (Linux, Nginx, PHP, MySQL). The resources are 100% private and are not shared with other websites, not even your websites.

Most WordPress hosts that offer shared hosting plans do not have this feature. Therefore, a high-traffic website hosted on the same server as yours can cause your website to throw a 504 error as well.

Aside from isolating each site in its container, Kinsta also designed its infrastructure to easily handle thousands of simultaneous connections. Kinsta even hosts the MySQL databases on localhost, not a remote server. This means no latency between machines, resulting in faster queries and fewer chances of timeouts.

Many clients migrating to Kinsta see a huge decrease in overall load times.

An overloaded server is not the only cause of a server timeout. There can be many other reasons for the 504 error:

Slow server infrastructure

The server you are using to host your WordPress site may not have enough resources to handle the load. It’s like playing a modern, graphics-intensive video game on a decades-old PC.

The server simply hangs up trying to serve the website. The only solution to this problem is to upgrade to a server with better infrastructure. Because of this, even Kinsta’s most basic WordPress hosting plan will handle a medium-traffic static site.

Requires more PHP workers

PHP workers are used to run your WordPress site’s code. An e-commerce website with 50,000 visitors per month requires a lot more resources than a simple blog with the same amount of traffic. When all of the server’s PHP workers are busy, they build up a queue.

If the queue gets too big, the server ignores old requests, which can cause the server to throw a 504 gateway error. You can ask your host if you can increase the number of your PHP workers. This allows your website to run multiple requests at the same time.

firewall issues

Your server’s firewall might have some bugs or misconfiguration. Perhaps some of its rules are preventing the server from connecting properly. To determine if your firewall is the culprit, you can check your server’s error logs.

Network connection problems

Connection problems between the proxy server and the web server can cause delays in responding to HTTP requests. If you are using a load balancer, you may also experience network connectivity issues.

HTTP timeouts

HTTP timeouts can occur when a connection between the web server and the client is kept open for too long. For WordPress sites, this usually happens when running WordPress imports. One way to solve this problem is to switch to a faster internet connection.

You can also use a tool with WP-CLI support to run the scripts directly on the server and bypass the HTTP connection entirely. For example, you can use the WP-CLI wp import command to run the WordPress importer plugin directly from the command line interface.

Important: 504 Gateway Timeout errors look similar to 503 Service Unavailable errors or 502 Bad Gateway errors. But they are all different. If Kinsta encounters a 504 error, open a support ticket to get your issue fixed immediately.

To monitor your website downtime yourself, you can use a tool like updown.io. It regularly checks the status of your website (or any URL) by sending an HTTP request to it. You can set the check frequency from 15 seconds to 1 hour. If your website does not respond properly, you will be notified by email or SMS.

You get a generous amount of free credits with every updown.io account, but if you’re looking for cheaper alternatives, you can check out WebGazer or UptimeRobot. These two tools allow you to monitor your website’s uptime every 5 minutes for free. That’s decent enough for most website owners.

Monitoring your website will give you an idea of ​​how often it has gone down. This is especially helpful if you use a shared hosting provider. Most managed WordPress hosts will do this for you automatically. So it is always recommended to go with them.

For a detailed explanation, see Kinsta’s post on the importance of managed WordPress hosting.

Spam, bots or DDoS attacks

Malicious attackers can cripple your web server by sending too many and/or resource-intensive requests. If your website is spammed by bots or subjected to a DDoS attack, it can overload your server and cause 504 gateway timeout errors for many real users.

You can look at your server traffic and analytics to see if you can spot erratic patterns in site traffic. If you use Kinsta to host your site, you can easily view this data by going to your MyKinsta Analytics dashboard.

Start your investigation by looking at the top client IPs. It gives you an idea of ​​who is generating the maximum number of requests and from where. If your server suddenly consumes a huge amount of bandwidth or attracts a lot of traffic, this report will come in very handy.

Next you can look at the cache analysis report. Here you can see how many requests bypass or miss the cache or are served from the cache. For performance and stability reasons, you’ll want to cache as many requests as possible, but that’s not always possible.

For example, WooCommerce sites generate a lot of non-cacheable requests for features like the shopping cart and checkout.

Struggling with downtime and WordPress issues? Kinsta is the hosting solution built for performance and security! Check out our plans

Finally, you can use a WordPress security plugin to improve your site’s security by detecting and blocking worrisome traffic/IPs. You can also ask your host to block specific IPs.

Depending on the length and scale of the attack, this could be an endless process of IP blacklisting, as many attackers change their IPs and proxy addresses after being blocked.

Note: Kinsta does not allow its clients to install WordPress security plugins as they can have a major impact on the site’s performance, especially its scanning abilities. Since Kinsta uses load balancers with Google Cloud Platform, blocking IPs would not always work as intended.

You can use dedicated security solutions like Cloudflare or Sucuri to protect your websites from DDoS attacks and spambots. For more information, see Kinsta’s articles on installing Cloudflare on your WordPress site and how Sucuri helped stop a DDoS attack.

Corrupt WordPress database

Sometimes a 504 gateway timeout error can be due to a corrupted database, especially on WordPress sites. Typically this is due to corrupted database tables or files. Sometimes this can also be caused by a serious security issue, e.g. B. if your website or database is hacked.

Repairing a corrupt WordPress database depends on the problem. Plugins like WP-DBManager make it easy to diagnose and repair database problems. I recommend reading Kinsta’s detailed guide to repairing WordPress database issues to get started.

Check your website’s plugins and themes

In most cases, third-party plugins and themes do not cause 504 errors. But there is a small chance that they cause server timeouts, usually by queuing a lot of uncached requests generated by the plugin/theme. Since this ties up many of your server’s PHP workers, you may get 504 errors.

A good example of this problem is WooCommerce, a plugin that is installed to add ecommerce functionality to WordPress sites.

The easiest way to fix this problem is to disable all your plugins. Remember that you won’t lose any data by deactivating just one plugin.

If you can access your admin dashboard, you can go to the Plugins screen, select Disable from the Bulk Actions menu, highlight all plugins, and then click the Apply button. This will disable all your plugins.

If you are unable to access your admin panel, you can disable plugins via SFTP using the method previously outlined. Simply rename the main plugins folder name to disable all plugins in bulk.

After disabling all plugins, check if your website loads properly. If it works you need to activate each plugin and test the site after activating each plugin.

Finally, make sure your plugins, themes, and WordPress core are up to date. Also, make sure your server is running the recommended version of PHP.

If you feel this is too overwhelming, you can always contact your host for help. Kinsta uses Kinsta APM and other troubleshooting techniques to help customers narrow down which plugin, query, or script might be causing the error.

In the worst case, like an inefficient query or broken code in a plugin/theme, you can bring in a WordPress developer to fix the problem.

Check the error logs

Viewing error logs can be very helpful in fixing and debugging 504 errors on your WordPress site. This can help you quickly isolate an issue on your site, especially if it is due to a demanding plugin on your site.

If you’re a Kinsta client, you can easily see errors in the log viewer in your MyKinsta dashboard.

If your host doesn’t have a logging tool, you can enable WordPress debug mode by adding the following code to your wp-config.php file:

define( ‘WP_DEBUG’, true ); define( ‘WP_DEBUG_LOG’, true ); define( ‘WP_DEBUG_DISPLAY’, false );

The WP_DEBUG constant enables or disables the WordPress debug mode. It has two optional companion constants that can extend its capabilities. The constant WP_DEBUG_LOG instructs all errors to be saved in a debug.log file in the /wp-content/ directory. If you don’t see this file, you can always create one.

The constant WP_DEBUG_DISPLAY controls whether debug logs are displayed on the HTML page. Setting this to false will hide all errors, but you can check the errors later since you also defined WP_DEBUG_LOG as true.

Important: If you have WP_DEBUG enabled in the Kinsta environment, it will forward all errors to the debug.log file and not error.log in the MyKinsta dashboard.

You can also download the raw WordPress error log files via SFTP. You can usually find error logs in the root of your server in a folder called “logs”.

Kinsta users can also enable WordPress debug mode from their MyKinsta dashboard. To do this, navigate to Sites > Tools > WordPress Debugging and click the Enable button. This allows you to see PHP errors and notices without enabling debug mode via SSH or SFTP.

Finally, you can check the server log files. Depending on which server you use to host your WordPress site, they can often be found in these locations:

Apache: /var/log/apache2/error.log/

Nginx: /var/log/nginx/error.log/

For more information, see Apache or Nginx logging-related documentation.

Configure Apache or Nginx settings properly

You can edit your server configuration files to increase the resource limits for specific directives. This can help you to fix 504 gateway timeout error.

For Apache web server

First add the following code to your httpd.conf:

time out 600

This setting defines how long the server waits for certain requests before marking them as a network timeout problem. Der Standardwert beträgt 60 Sekunden (Apache 2.4-Version).

Sie können diese Anweisung nur in Ihre httpd.conf-Datei einfügen, nicht in Ihre .htaccess-Datei. Da die meisten Shared-Hosting-Anbieter es Ihnen nicht erlauben, die httpd.conf-Datei zu ändern, können Sie stattdessen versuchen, den Wert der LimitRequestBody-Direktive in Ihrer .htaccess-Datei zu erhöhen.

Fügen Sie dann die folgende Zeile zu Ihrer php.ini-Datei hinzu:

max_execution_time 300

Der Standardwert der PHP-Direktive max_execution_time beträgt 30 Sekunden. Wenn Sie ihn erhöhen, können die PHP-Skripte Ihrer Website länger ausgeführt werden.

Für Nginx-Webserver

Wenn Sie Ihre WordPress-Sites auf Nginx + FastCGI Process Manager (PHP-FPM) ausführen oder Nginx als Reverse-Proxy für Apache verwenden, können Sie die Servereinstellungen optimieren, um 504 Gateway Timeout-Fehler zu vermeiden.

504 Gateway-Timeout-Fehler auf Nginx + FastCGI (PHP-FPM)

Zuerst müssen Sie Ihre PHP-FPM-Pool-Konfigurationsdatei bearbeiten. Sie finden es am Speicherort /etc/php7.4/fpm/pool.d/www.conf auf Ihrem Nginx-Server (der genaue Pfad kann je nach PHP-Version variieren). Alternativ können Sie den folgenden Befehl in Ihrem Terminal ausführen, um die Konfigurationsdatei des PHP-FPM-Pools zu bearbeiten:

sudo nano /etc/php/7.2/fpm/pool.d/www.conf

Legen Sie als Nächstes die folgende Direktive fest:

request_terminate_timeout = 300

Danach müssen Sie Ihre php.ini-Datei bearbeiten. Sie finden es unter /etc/php.ini . Öffnen Sie die Datei und fügen Sie den Wert für die Direktive max_execution_time hinzu bzw. ändern Sie ihn auf 300 Sekunden.

max_execution_time = 300

Fügen Sie abschließend den folgenden Code zum Speicherort Ihrer nginx.conf-Datei hinzu:

Standort ~ .php$ { … fastcgi_read_timeout 300; }

Laden Sie Nginx und PHP-FPM neu, damit die Änderungen wirksam werden.

sudo-Dienst nginx neu laden sudo-Dienst php7.4-fpm neu laden

Der genaue Code zum Neuladen von PHP-FPM hängt von der auf Ihrem Server installierten PHP-Version ab. Testen Sie Ihre Website, um festzustellen, ob das Problem behoben wurde.

504 Gateway-Timeout-Fehler auf Nginx-Proxy

Wenn Sie Nginx als Reverse-Proxy-Server für Apache verwenden, können Sie es nachsichtiger gegenüber Server-Timeouts machen, indem Sie Ihrer nginx.conf-Datei die folgenden Anweisungen hinzufügen:

Proxy_connect_timeout 600; proxy_send_timeout 600; Proxy_read_timeout 600; send_timeout 600;

Vergessen Sie nicht, Nginx neu zu laden, nachdem Sie Ihre Änderungen vorgenommen haben.

sudo-Dienst nginx neu laden

Andere HTTP-Fehler wie 504 Gateway Timeout

Wie bereits in diesem Artikel erwähnt, ähneln viele andere HTTP 5xx-Fehler dem 504 Gateway Timeout-Fehler. Das liegt daran, dass sie alle auf der Serverseite passieren. Zu diesen Fehlern gehören:

Andere HTTP-Fehler, die durch clientseitige Probleme verursacht werden, wie der 404 Not Found-Fehler, sind ebenfalls wie der 504-Fehler. Weitere Informationen findest du in der detaillierten Anleitung von Kinsta und der Liste der HTTP-Statuscodes.

Wenn Sie nicht wissen, was einen 504-Gateway-Timeout-Fehler verursacht hat, wie können Sie ihn rechtzeitig beheben, um hart verdiente Besucher davon abzuhalten, zu den Websites von Mitbewerbern zu wechseln? 🤷‍♂️ Alle Details sind in diesem Beitrag. ⬆️

Zum Twittern klicken

summary

Ihre WordPress-Site kann aus mehreren Gründen vom Fehler 504 Gateway Timeout betroffen sein. In diesem Artikel haben Sie gelernt, wie Sie sie alle beheben können. In der Regel werden diese Fehler durch serverseitige Probleme verursacht. In diesem Fall können Sie sich an Ihren Host wenden und das Problem schnell beheben lassen.

Sie müssen jedoch auch verstehen, dass dieser Fehler auf Plugins, Designs, Dienste von Drittanbietern, ineffiziente Datenbankabfragen oder eine Kombination aus zwei oder mehr davon zurückzuführen sein kann. Wenn Sie die Ressourcen Ihres Servers (z. B. PHP-Worker) ausschöpfen, wird empfohlen, Ihre Website auf Leistung zu optimieren.

Wenn Sie immer noch feststellen, dass Ihre Website eine Zeitüberschreitung aufweist, müssen Sie möglicherweise Ihren Hosting-Plan oder die Anzahl der PHP-Worker aktualisieren. Ich empfehle Ihnen, diese Option erst in Betracht zu ziehen, nachdem Sie alle anderen in diesem Artikel beschriebenen Lösungen ausgeschöpft haben.

Von einfachen statischen Websites bis hin zu komplexen E-Commerce- und Mitgliederseiten sind die skalierbaren Hosting-Pläne von Kinsta so konzipiert, dass sie alle Arten von Websites aufnehmen können. Um mehr über unser skalierbares Cloud-Hosting zu erfahren, lesen Sie diesen Artikel!

Haben wir etwas verpasst? Wenn Sie immer noch Schwierigkeiten haben, den Fehler 504 Gateway Timeout auf Ihrer WordPress-Seite zu beheben, hinterlassen Sie unten einen Kommentar.

How do I get rid of 504 bad gateway?

How to get rid of a 504 gateway timeout error on a website you’re visiting
  1. Close and re-open the web browser, or restart your computer. Then try reaching the problematic websites again.
  2. Reboot your network modem and WiFi router. …
  3. Change your DNS server. …
  4. Turn off your proxy server (or verify its settings).

How to Fix: 502 Bad Gateway Error in Chrome?

A 504 gateway timeout error is an error that occurs when a website server times out while attempting to contact another server.

There are many possible causes, and they generally lie on the website side of the connection.

There are several ways you can try to fix 504 gateway errors on your own website or on other websites.

Check out Insider’s tech reference library for more stories.

The Internet, by its very nature, is an interconnected network of computers, and that means that sometimes there can be connectivity issues when parts of the network are misbehaving. For example, it’s not uncommon to encounter a 504 gateway timeout error that prevents you from accessing a website’s content.

What is a 504 gateway timeout error?

A 504 gateway timeout error means the server you’re trying to reach didn’t get a timely response from another server it relies on to display the website. In most cases, this generally means that one of the servers is misbehaving or is misconfigured in such a way that the website server “times out” waiting for a response from the other computer and therefore displays an error instead of the requested website.

There is no standard way to display a 504 error, but it usually contains the 504 code. Dave Johnson

This is a fairly generic error message, and that means it can appear on any platform – you can see a 504 error on any web browser, on any computer, and it appears on mobile devices and in programs that rely on an internet connection. It also means that the exact appearance of the error can vary, but usually includes the 504 code to indicate the nature of the problem.

504 gateway timeout caused

When you see a 504 gateway timeout error, the general problem is pretty easy to understand, but this simple explanation doesn’t explain why the timeout error occurs. There are many possible causes – here are the most common:

There is a network connection error. Many network connections are required to successfully display a website in your browser, including modems, routers, network switches, cabling, and more. When there is a problem between two devices, it can result in a 504 error.

Many network connections are required to successfully display a website in your browser, including modems, routers, network switches, cabling, and more. When there is a problem between two devices, it can result in a 504 error. There is a server connectivity problem. Most websites are hosted on servers managed by third parties and if the server is offline due to a hardware problem or maintenance, a 504 error may be generated.

. Most websites are hosted on servers managed by third parties and if the server is offline due to a hardware problem or maintenance, a 504 error may be generated. There was a recent change in IP address or DNS server. If the website’s server has recently changed IP address, it may take some time for the DNS server address to be updated. Because browsers find websites using a DNS server lookup, this can cause a 504 error until the update is complete.

. If the website’s server has recently changed IP address, it may take some time for the DNS server address to be updated. Because browsers find websites using a DNS server lookup, this can cause a 504 error until the update is complete. The server’s firewall or other settings are configured incorrectly. There can be a number of basic configuration errors, particularly in the server’s firewall, which are designed to prevent malware and hacker intrusions.

There can be a number of basic configuration errors, particularly in the server’s firewall, which are designed to prevent malware and hacker intrusions. There may be a problem with the user’s computer or network. Most of the time, 504 errors are a problem at the end of the website server connection. However, in rare cases, the user’s computer or network connection may not behave properly. If this is the problem then generally every website you try to reach will experience a connection error, not just one.

How to get rid of a 504 gateway timeout error on a website you visit

If you can’t reach a website because of a 504 gateway timeout error, try reaching other websites. If you’re only having trouble on one website, the problem is almost certainly with the server and out of your control. If you can reach the site administrator, you can let them know about the problem, but otherwise you just have to wait for it to be fixed.

If you’re seeing a 504 error on multiple websites, the problem is more likely to be at your end of the connection. There are a few things you can try to resolve the issue:

Close and reopen the web browser or restart your computer. Then try to reach the problematic websites again.

. Then try to reach the problematic websites again. Reboot your network modem and wireless router. Turn off both devices, wait at least two minutes, and then turn them on again. Start with the network modem and then after it is fully connected, turn on the WiFi router and wait for it to establish a solid connection.

. Turn off both devices, wait at least two minutes, and then turn them on again. Start with the network modem and then after it is fully connected, turn on the WiFi router and wait for it to establish a solid connection. Change your DNS server. This is usually configured by your ISP, but it is possible to manually select a different DNS server.

. This is usually configured by your ISP, but it is possible to manually select a different DNS server. Turn off your proxy server (or check its settings). In the vast majority of cases, your computer should not be using a proxy server to connect to the Internet. However, if your computer is misconfigured or malware has configured your computer to connect through a proxy server, you can try turning it off. On Windows, click Start and then click Settings. In the settings window, search for “proxy” and click Change proxy settings. Here you can switch off the proxy server or refine the settings.

A 504 error can sometimes be caused by a misconfigured proxy server. DavidJohnson

How to fix 504 gateway timeout errors on your own website

If you own or manage a website that is suffering from a 504 error of its own, there are a handful of troubleshooting steps you can take to resolve the issue.

Update your DNS server. If you recently changed your website’s IP address, you may need to update your DNS server. DNS changes can take several hours to process, and you may generate 504 errors in the meantime.

If you recently changed your website’s IP address, you may need to update your DNS server. DNS changes can take several hours to process, and you may generate 504 errors in the meantime. Correct your firewall settings. You may have a bad firewall configuration that is preventing your server from communicating properly. To test this, you can temporarily disable the firewall entirely to see if that fixes the issue.

You may have a bad firewall configuration that is preventing your server from communicating properly. To test this, you can temporarily disable the firewall entirely to see if that fixes the issue. Check for other connection issues. This can be caused by problems with your server, router, network switch, or system maintenance.

This can be caused by problems with your server, router, network switch, or system maintenance. Check for other configuration issues. For example, WordPress-based websites are prone to corrupt databases. You may need to run the database repair tool from the WordPress admin dashboard.

How do I fix 502 bad gateway on Iphone?

To fix this issue All you have to do is Just Restart your browser or Refresh your website page by essentially tapping on the Refresh button. Or on the other hand, to restart your browser you simply close the present browser and revive it after some time.

How to Fix: 502 Bad Gateway Error in Chrome?

Answers:

A:

Hello Jack,

There are numerous strategies available on the internet to diagnose the 502 bad gateway problem. Probably the most effortless techniques are described here:

Refresh your website – This is one of the basic strategies that works for most of the bugs in your browsers. Here and there your browser will not respond as it gains weight at the same time from the huge retrieval of information. Therefore, it may not respond and will display a gateway error. To fix this problem, all you have to do is restart your browser or refresh your website page by essentially tapping the refresh button. Or on the other hand, to restart your browser, just close the current browser and start it again after some time. To activate the site page, you can also press the F5 key or the Ctrl+R key.

Restart your internet device – In some cases, this error also occurs due to an issue with your internet modem and should be checked and configured accordingly. You should just restart it, just turn off your webmodem’s power source and hold on for some time unless the LED lights on the modem turn off properly. After about 10 to 15 seconds stuck, turn on the power supply again and check if it works or not.

Delete cache and cookies – It is also possible that your browser has degenerate or outdated data stored. Which is responsible for detecting the gateway error. To clear your browser’s treats and cache, you can go to your browser settings and from that point decide to clear the treats and cache.

Check your system firewalls – Firewalls are additionally responsible for blocking correspondence between two servers, which leads to gateway failure. You can check the likelihood of the problem appearing or not by disabling it for a moment.

Disable CDN shortly – CDN or Content Delivery Network is used to increase the loading speed of a page. In addition, it is responsible for activating error 502 every now and then because CDN works with additional firewalls, which prevents communication between two servers. Then you need to randomly disable your CDN and check if it is reliable or not. If none of the methods work for you. The complete opposite of what you can do is to contact your hosting service provider and ask them to solve this problem. Many supportive administrations offer free specialized help 24 hours a day.

Thanks very much!

How do I fix 502 Bad Gateway nginx?

As visitor
  1. Reload the page in the browser. Often the 502 error is temporary and a simple reboot can help.
  2. Clear browser cache and delete cookies. …
  3. Try using a different browser. …
  4. Restart your computer and network equipment. …
  5. Check plugins and extensions in your browser. …
  6. Change your DNS server.

How to Fix: 502 Bad Gateway Error in Chrome?

introduction

The 502 Bad Gateway error is common among website users. There are different possible reasons for this error and different ways to fix it. In this article, we will cover the top possible causes and how users and web developers can solve them.

Use MetricFire’s platform to analyze and troubleshoot your system’s performance. For more detailed information about MetricFire and how to integrate it into your system, book a demo with our team or sign up with MetricFire for the free trial.

What does NGINX 502 Bad Gateway mean?

502 Bad Gateway means the server you are accessing is getting an error from another server. This happens when a server acts as a proxy to get information from another server. Connecting to another server returns an error. NGINX returns error 502 if it cannot connect to PHP-FPM or PHP-FPM is not responding.

There are different names for the 502 error that you may see on different websites. For example:

HTTP Error 502 – Bad Gateway.

HTTP 502.

502 Service temporarily overloaded.

Temporary error (502).

502 Bad Gateway nginx.

502 Bad Gateway.

Error 502.

502 proxy error.

Also, the appearance of the page showing the 502 error can be customized on different websites in the same way as it is for the 404 not found error. There are various causes of error 502. Below we will look at the main as well as possible ways to fix this error.

What is PHP-FPM used for?

PHP-FPM (PHP-FastCGI Process Manager) is a web request processing tool for PHP applications. PHP-FPM together with NGINX can significantly increase the performance of websites while reducing resource consumption.

PHP works as an isolated service when using PHP-FPM. Web requests are processed over a TCP/IP socket, NGINX only processes HTTP requests, and PHP-FPM interprets PHP code. Using separate services is very important to improve efficiency.

Possible reasons for 502 Bad Gateway

Let’s take a look at some of the possible reasons behind the 502 bad gateway.

NGINX is not running

If you see the 502 error, the first thing you need to do is verify that NGINX is running. To do this, run the following command:

systemctl-status nginx

If you see in the response that the status is inactive (dead), you need to start NGINX.

PHP-FPM is not running

The next reason for the 502 error is that PHP-FPM is not running. If you are using Linux, you can check if PHP-FPM is running with the following command:

ps aux | grep php-fpm

If you don’t see any PHP-FPM processes as a result of this command, you need to run PHP-FPM to fix error 502.

PHP-FPM timeout expires

If the server takes too long to respond, a 502 error can be caused by a PHP-FPM timeout. In this case, PHP-FPM will close the connection even before the response is sent and NGINX will return a 502 error. To fix this problem you can increase the PHP-FPM timeout or alternatively examine your application and find out why it is not responding for too long.

Firewall blocks requests

A firewall can block communication between the edge servers and the origin server. Some DDoS protection systems or security plugins of your CMS can also block requests from servers.

A domain name is not allowed

The domain name does not resolve to the specified IP address or to all IP addresses. In this case, you need to change the DNS server and wait for the changes to propagate and become active globally.

Server is not available

The original server is down or there is no connection to this server.

How to solve the 502 error?

Most of the time, the 502 error occurs due to problems on the side of the website. However, there are times when the root cause lies in the user’s device. You can check if only you are having connection problems or other people are also unable to connect to this website. To do this, use any of the tools that check the status of the site and whether it is working or not. For example, use one of the following or similar tools: isitdownrightnow.com, downforeveryoneorjustme.com. To learn more about the cause of Error 502, you can examine the NGINX log file on your computer (/var/log/nginx/error.log).

As a visitor

If you are the only one having connection problems, there are several things you can do to fix the 502 error as a website visitor.

Reload the page in the browser. Often the 502 error is temporary and a simple reboot can help. Clear browser cache and cookies. The browser can store old or corrupted files and data that can cause the 502 error. Try a different browser. There may be a problem in the browser you are using and the error does not appear in another browser. Restart your computer and network devices. Maybe this is the problem and after a reboot the error goes away. Check plugins and extensions in your browser. If you use plugins or extensions and the website works in another browser, they may be blocking the connection. Disable all installed plugins and extensions and check the connection again. Change your DNS server. Changing the DNS server can fix the 502 error. You can choose between Open DNS or Google DNS servers.

As a developer

In most cases, the 502 error occurs to all users because the problem lies within the website. As a web developer, you can:

Check if your server is available. Check the firewall logs for unusual crashes. When using Cloudflare, your visitors will return a 502 Bad Gateway error when a certain limit is reached. Try disabling Cloudflare.

Monitor your system metrics with MetricFire’s Hosted Graphite

To identify bottlenecks and fix errors like error 502, it is helpful to monitor the metrics of your system and the technologies you are using in your application. MetricFire has an open source platform that gives you the tools to monitor and analyze your system’s metrics. MetricFire offers hosted Graphite and hosted Grafana. Grafana is a web-based analytics and data visualization application. You can use it to create various customizable dashboards that can include charts, graphs, and notifications.

Let’s take a look at some of Grafana’s main features:

Dashboard Templates. You can style your dashboard in templates as if you were writing code. Templates allow you to use the same design in different environments. Remarks. You can create logs and comments on your chart manually or automatically. Custom Plugins. Grafana can install external plug-ins that you can use to extend the basic functionality. SQL support. With SQL support, you can easily retrieve data from a variety of data sources. warnings. Grafana can send users notifications about important incidents.

Graphite is a tool for collecting, storing and processing metrics. You can use Graphite as a data source for Grafana. Grafana comes with an advanced Graphite query editor that allows you to write various queries, add functions, change function parameters, accept complex nested queries using query links, and more.

With Hosted Graphite and Grafana, you can track your system performance in real time. MetricFire offers you hosting services for both tools so you can focus on your system’s performance and monitor its metrics from your browser.

To learn more about how to integrate Graphite and Grafana into your system, book a demo with our team or sign up for the MetricFire free trial today.

Conclusion

In this article, we took a look at what error 502 means, what are the possible reasons for its occurrence and how to fix it. We also found that to troubleshoot your system, it’s important to use monitoring tools like hosted Graphite and Grafana offered by MetricFire.

Book a demo with MetricFire experts or sign up for the free trial today and learn more about our features.

Why is my Gmail not receiving emails?

If your Gmail account isn’t receiving emails, it could be due to a few different problems. Every email you receive takes up space, and if your Google account runs out of storage space, you can’t receive new emails. You might also have the wrong Gmail inbox settings, or lack a stable internet connection.

How to Fix: 502 Bad Gateway Error in Chrome?

If your Gmail account is not receiving emails, it could be due to various issues.

Every email you receive takes up storage space, and if your Google account runs out of storage space, you won’t be able to receive new emails.

You may also have the wrong Gmail inbox settings or unstable internet connection.

Check out Insider’s tech reference library for more stories.

Gmail is by far the most popular email service in the world. Most popular apps and websites allow you to create websites using just your Gmail account, and if your work involves email at all, Gmail is probably the center of your online life.

Because of this, it can be very frustrating when you find that you are no longer receiving emails. There are a variety of issues that can prevent you from receiving emails, but fortunately they can all be fixed.

Here’s what to do if you find you’re no longer receiving email.

How to Fix Gmail If You’re Not Getting Emails

Clear your Google storage

Many of us are guilty of hoarding messages and files that we don’t need. If your inbox is full of old emails, you run the risk of running out of disk space.

Search your inbox to delete large files from your account or Google Drive to free up space. If you need more space to store your emails, you can also upgrade your storage plan.

If your Google storage space is full, you will no longer be able to receive emails. Google; William Antonelli/Insider

Make sure your emails are not moved to another folder

Gmail has an automatic system for filtering emails into your different folders. So if you’re waiting for an email from a new sender, chances are Gmail has marked it as spam.

You can open your spam folder by clicking or tapping Spam in Gmail’s left sidebar. When you find the email you’re looking for there, open it and select Don’t report spam or Move to inbox.

You can move spam messages back to the general inbox. gmail; William Antonelli/Insider

Alternatively, look at the All Mail folder, which contains all the emails you receive, regardless of the folder.

You might also want to check your Trash folder. There is always a chance that you accidentally deleted the email you were looking for.

If you find that a lot of important emails are being filtered to other folders, make sure you don’t accidentally have a filter blocking your emails.

1. On the Gmail desktop website, click the gear icon in the upper-right corner, and then click View All Settings.

2. Select the Filters and Blocked Addresses tab to view all your Gmail filters.

3. Review the filters and select Delete for any you want to remove.

Connect to the Internet

It may seem obvious, but you need an internet connection to receive emails. If your internet connection is intermittent or weak, Gmail will have trouble receiving and loading email.

Run a speed test on your computer or phone to see if your connection is slow. And if the problems persist, disconnect from the internet and reconnect. You may also need to manually reset your internet router or even try using a different device to check your email.

Make sure your accounts are set up correctly when using the iPhone Mail app

When using Gmail on your iPhone, you may face some issues. If you’re using the Mail app on an iPhone, you need to make sure your Google account is set up and linked properly.

1. Open Settings and scroll down to Mail.

2. Tap Accounts and then tap Add account.

3. Choose the email provider you are using and log in to the given account.

4. After signing in, your Gmail account should be linked to your iPhone’s Mail app.

Gmail on an iPhone can also have IMAP issues, which is the system that allows information to flow in and out of your smartphone. If it’s off, there are simple steps to enable it.

In a computer’s web browser

1. Open Gmail and click the gear icon in the top right corner, then click View All Settings.

2. Select the Forwarding and POP/IMAP tab.

3. Scroll down to IMAP access and click Enable IMAP.

Enable IMAP, either on your computer or phone. gmail; William Antonelli/Insider

On your iPhone

1. Open Safari, go to Gmail.com and log in to your account.

2. Tap Go to Mobile Gmail Site and tap the link at the bottom of the screen.

3. Tap More in the bottom left.

4. Scroll down and tap View Gmail and tap Desktop.

5. Tap Settings and then tap the Forwarding and POP/IMAP tab.

6. Scroll down to IMAP access and tap Enable IMAP.

Is Gmail down today 2020?

Mail.google.com is UP and reachable by us.

How to Fix: 502 Bad Gateway Error in Chrome?

JavaScript is required. Please enable javascript in your browser.

Please wait while we check the server…

We tried to ping the Gmail website through our server and the website returned the above results. If mail.google.com is down for us too, there’s nothing you can do but wait. The server is probably overloaded, down or unreachable due to a network problem, an outage or website maintenance…

The chart above shows the service health activity for mail.google.com over the last 10 automatic checks. The blue bar indicates the response time, which is better when it is smaller. If there is no bar for a certain time, it means that the service was down and the website was offline.

Cannot Access Gmail – Troubleshooting Guide Cannot Access Gmail – Troubleshooting Guide

If the website is UP but you can’t access the page, try one of the following solutions:

Browser related issues

Force a full refresh of the site. This can be achieved by pressing the CTRL + F5 keys simultaneously in your favorite browser (Firefox, Chrome, Explorer, etc.).

Try alternative URLs like gmail.com, gmail.google.com

Clear the temporary cache and cookies on your browser to ensure you have the latest version of the website. For instructions select your browser:

Fix DNS problems

A Domain Name System (DNS) allows a website IP address (192.168.x.x) to be identified with words (*.com) to make it easier to remember, like a phone book for websites. This service is usually provided by your ISP.

Clear your local DNS cache to ensure you’re using the latest cache from your ISP. For Windows – (Start > Command Prompt > type ipconfig /flushdns and press Enter). For details select your operating system:

If you can access a website at the office or over a 3G network but it doesn’t work on your computer, it’s a good idea to use a DNS service other than your ISP. OpenDNS or Google Public DNS are excellent and free public DNS services.

Error 504 \u0026 502 Bad Gateway Chrome in Windows, How to Fix || 2020 (2 Solutions)

Error 504 \u0026 502 Bad Gateway Chrome in Windows, How to Fix || 2020 (2 Solutions)
Error 504 \u0026 502 Bad Gateway Chrome in Windows, How to Fix || 2020 (2 Solutions)


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How to Fix 502 Bad Gateway Error

Error May 16, 2022 Nabilla R. 9min reading time

How to Fix 502 Bad Gateway Error

The reasons behind the 502 error can be numerous, from minor browser-related issues to problems with CDNs. This article describes some troubleshooting steps to follow when encountering a 502 Bad Gateway error, both on server and client side. We will also look at the different factors that can cause this error and the impact they can have on your website’s SEO.

Download e-book: Build your first website in 9 easy steps

Error Code 502 Bad Gateway Error Error Type Server Side Error Error Variations Temporary Error (502)

HTTP Error 502 Bad Gateway

502 proxy error

Bad 502 gateway

502 Service temporarily overloaded

A blank white screen error causes an unresolved domain name

Server overloaded

browser problems

Home network device error

Firewall blocked

How to Fix 502 Bad Gateway Error – Video Tutorial

Looking for a simple visual guide? Watch the video below.

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What is a 502 Bad Gateway Error? The 502 Bad Gateway error indicates that the server you are connecting to received an invalid response. When visiting a URL, your browser sends an HTTP request to the server, which in this case was invalid and returns an HTTP status code 502.

Browsers and servers interact using HTTP (HyperText Transfer Protocol) status codes. Whenever you access a URL, the browser sends an HTTP request to the web server of the website you are accessing. The server then returns a status code along with the requested resources.

HTTP status codes are grouped into five server responses:

1xx – informative

– informative 2xx – success

– Success 3xx – Redirect

– Redirect 4xx – Client error

– Client error 5xx – Server error

HTTP status codes beginning with the number “5” refer to errors that occur when there is a network error or communication problem between web servers.

Other 5xx status codes or server errors include 500 Internal Server Error, 501 Not Implemented, 503 Service Unavailable, and 504 Gateway Timeout. Although the exact reasons for each error vary, in most cases the root cause lies in the server.

Causes of 502 Bad Gateway Error

Before you can fix a 502 Bad Gateway error, you need to investigate the possible factors causing this error such as:

Unresolved domain name. This happens when a domain name doesn’t resolve to the correct IP. Keep in mind that if you recently migrated your domain name to a different host, it can take up to 24 hours for your DNS changes to be fully propagated and active.

Origin server overload. When an origin server runs out of resources, it can become overloaded and crash, throwing an HTTP 502 error. A sudden spike in traffic, low memory, and software timeouts are some of the most common causes of server overload.

browser error. Sometimes a browser displays a 502 error even though there are no server or network problems. In this case, the error can be triggered by faulty browser extensions like adblocker, outdated browser versions, or corrupted files in your browser cache.

Problems with home network equipment. If you’re encountering HTTP 502 errors on more than one website or browser, there’s a good chance your network devices are experiencing a temporary connectivity issue.

Firewall blocked. A firewall protects your website from suspicious traffic. However, some firewall systems are overly sensitive and may detect false positives. The system may be blocking a specific ISP or a request from a CDN.

How to Fix 502 Bad Gateway Error

Although the 502 Bad Gateway error is usually related to server-side issues, it can also be caused by misconfigurations or issues on the client side. Therefore, we will keep an eye on the most common troubleshooting steps considering both causes.

While some solutions focus on WordPress, most of them can be applied to any website.

1. Refresh the page

The first solution is pretty simple – wait a minute or two and refresh the page you’re on. In many cases, the error comes from a sudden increase in traffic.

Therefore, a simple page refresh is usually sufficient. For a shortcut, Windows users can press F5 or CTRL + F5, while Mac users can press CMD + R.

You can also try to check if the website is offline using an online tool like Website Planet or Host Tracker. This helps identify whether a server or client side issue is causing the error.

2. Clear the browser cache

If the error persists, chances are your browser cache has stored outdated and corrupted files. In this case, clearing the browser cache can fix the HTTP 502 Bad Gateway error.

Keep in mind that by removing cache you may lose important browsing data including bookmarks and preference settings. To prevent this, simply export your data from the browser and then import it again.

3. Try incognito mode

Accessing the website in Incognito mode is also a good idea as it will help determine if you are getting the HTTP 502 error message due to a browser-related issue. To open an incognito window, click the three dots button on your browser screen and select New Incognito Window.

If the error doesn’t appear in incognito mode, the problem might be caused by a browser extension.

Therefore, try disabling your add-ons or extensions gradually. Once you have deleted the one causing the error you should be able to access the website.

If disabling extensions doesn’t help, try opening a different browser. For example, if you currently use Google Chrome, try Mozilla Firefox.

If the page loads normally in the new browser, your previous browser could be causing the error. To solve the problem, try deleting and reinstalling your faulty browser.

4. Clear DNS

The 502 Bad Gateway error can also appear due to DNS issues like incorrect IP addresses and unresponsive DNS servers.

In this case, clearing your DNS cache may be the solution. This method works similar to clearing your browser cache. It removes corrupted files from your DNS server.

Temporarily changing your DNS servers is another step you can take. By default, your DNS servers are assigned by your ISP. However, you can always change it to a third-party server, e.g. B. Google Public DNS.

5. Test on another device

If none of the above solutions fixed HTTP error 502, test the connection on another computer or mobile device, preferably connected to a different network.

Try restarting your PC and other network devices. To do this, turn off your computer and disconnect your wireless router. Wait a moment and plug them back in.

This step will help decide if the error is related to your network device or if the problem lies elsewhere.

6. Check the error log

If you’re getting a 502 Bad Gateway error after a specific change or update, the error may be in your server itself. The best approach to this problem is to check your error log.

Typically, your hosting service grants access to enable website error logging through an admin dashboard. You can also enable error logging on your WordPress site by adding the following lines in wp-config.php:

define( ‘WP_DEBUG’, true ); define( ‘WP_DEBUG_LOG’, true ); define( ‘WP_DEBUG_DISPLAY’, false );

All generated errors are displayed in the wp-contents/debug.log file so you can identify which ones are causing a 502 Bad Gateway error.

7. Check plugins and themes

Sometimes faulty plugins or themes can be one of the reasons behind a 502 Bad Gateway error.

This is because poorly coded plugins and themes can conflict with each other. When this happens, your server stops every script and query on your website, rendering it inaccessible.

For some websites, the problem usually comes from caching or security plugins. There is a good chance that these plugins are blocking communication between servers, causing the error to persist.

If you don’t have a caching or security plugin installed but are still encountering an HTTP 502 error, your best bet is to disable and re-enable your plugins one at a time. To do this, go to Plugins and simply click Disable in the Bulk Actions menu.

Then activate each plugin while updating your WordPress site after each one. Once the 502 error pops up again, you have found the problem plugin.

However, if you cannot access your WordPress dashboard, you can try disabling them in your hosting panel or FTP program. Navigate to the wp-content directory and rename the plugins directory, for example plugins-disable.

If you are using Hostinger, access your hPanel and click Files. From there go to File Manager -> public_html -> wp-content.

Once your website is working after all plugins have been disabled, you can rename the folder back to Plugins. Then try enabling the plugins one by one to see which one caused the error in the first place.

If the website still doesn’t work, follow the same steps with your WordPress themes.

8. Check CDNs

Another cause of the 502 Bad Gateway errors can be problems with your CDN or DDoS mitigation services.

A content delivery network adds an extra layer between your server and your browser to deliver web content efficiently. However, this layer may encounter a problem connecting to your origin server, resulting in 502 errors.

A notable example would be Cloudflare, where the 502 Bad Gateway can come in two different flavors depending on the issue.

The above screen indicates that the issue is on Cloudflare’s side. In order to fix the problem, you need to contact the customer support team. Remember to check the Cloudflare System Status page beforehand.

Alternatively, you can disable Cloudflare, but keep in mind that your DNS propagation may take a few hours.

However, if you see the 502 Bad Gateway Cloudflare error shown above, it means that the problem lies with your current hosting provider. In this case, try contacting your web host’s support team and ask for assistance.

9. Check the site status

If you still get the 502 error despite trying most of the methods so far, it’s possible that the origin server is currently experiencing downtime.

Luckily, there are many tools on the web that you can use to check if a site is down, including Down for Everyone or Just Me and IsItDown. Just enter your URL and check the status of your website.

10. PHP max_execution_time and max_input_time

PHP timeout occurs when a PHP process loads longer than the specified max_execution_time or max_input_time. These are the values ​​set in your PHP configurations on your web server. Normally the values ​​are set to 300 seconds by default.

During the migration process, the migration process may time out, throwing the 502 Bad Gateway error. To fix this problem, you can talk to your web host to check what your values ​​are set to and if you can increase them.

If none of the above solutions fixed the 502 Bad Gateway error, your best bet is to contact their customer support team.

When describing the problem, try to include the troubleshooting steps you took. Provide as much information as possible and let the support team assist you.

502 Bad Gateway error variations

A 502 Bad Gateway error can appear in any browser, operating system, and service. However, its appearance varies in different ways. Here are some alternatives you might come across on the internet:

Temporary error (502)

502 error

Error 502

HTTP Error 502 Bad Gateway

502 Server Error: The server encountered a temporary error and could not complete your request

502 – The web server received an invalid response while acting as a gateway or proxy server

HTTP 502

502 proxy error

Bad 502 gateway

502 Service temporarily overloaded

502 Bad Gateway nginx

A blank white screen

Keep in mind that some websites or services have custom 502 error pages and look different, for example:

chrome

Chrome’s 502 Bad Gateway error screen tells you that the server encountered a transient error and was unable to complete your request. Chrome will also suggest trying again in 30 seconds. If the problem persists, try accessing the website from other browser windows.

GitLab

GitLab displays a 502 Bad Gateway error when its reverse proxy server doesn’t get a response from GitLab’s origin server for an extended period of time. The error page also provides instructions on how to resolve the issue.

Twitter

Twitter has its own way of indicating a 502 service temporarily overloaded error. It features a playful illustration with a clear message. Users can also check the Twitter status page for real-time data statistics.

How 502 Bad Gateway Error Affects SEO

A 502 error appears when your server encounters a network error that prevents it from completing a request. If this error occurs regularly and over a long period of time, it can negatively affect your website’s SEO.

If a requested page is not served, visitors are more likely to leave your site, resulting in a poor user experience. Also, the longer your website is down, the higher your bounce rate will be.

Similar to human visitors, search engine crawlers also consider a page with a 502 error to be broken, preventing them from indexing and ranking the page.

With this in mind, it is crucial for SEO reasons to investigate the factors that cause a 502 server error and fix it as soon as possible.

Error status codes similar to 502 Bad Gateway

Understanding error codes is important for website owners and developers to quickly identify and fix the problem. Aside from HTTP 502 errors, there are other status error codes that can appear on your website.

The most common include:

403 Forbidden Error . Occurs when the web server prevents visitors from accessing specific content.

Occurs when the web server prevents visitors from accessing specific content. 404 page not found . Refers to a response sent when the requested webpage is unavailable.

Refers to a response sent when the requested webpage is unavailable. 501 Not implemented. This indicates that the server does not have the functionality to fulfill a specific request.

This indicates that the server does not have the functionality to fulfill a specific request. 503 Service unavailable. This shows that the server is currently down for maintenance and cannot process the request.

This shows that the server is currently down for maintenance and cannot process the request. 504 Gateway timeout. Appears as a result of a proxy error when waiting too long for a response from another server.

Conclusion

A 502 bad gateway occurs when a server acting as a gateway receives an invalid response from the originating server. If left untreated, this error will affect your conversion rate, user experience, and page ranking.

As the status code suggests, the root of this error is usually on the server side. In other words, the problem isn’t coming from your website, internet connection, or your computer. With that in mind, it’s also important to keep an eye out for broken plugins or themes.

We hope these troubleshooting steps will help you fix any errors you might encounter and get your site back to a stable state. If you have any additional tips or solutions, feel free to share them with us in the comments below.

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How To Fix a 502 Bad Gateway Error on Your WordPress Site

When it comes to WordPress, there are many different errors that can be downright frustrating and confusing. A few that come to mind are the white screen of death or the terrifying error trying to connect to a database. But even more popular is the 502 Bad Gateway error. Why? Because this happens regularly across the web, not just on WordPress sites, but even on popular services like Gmail, Twitter, and Cloudflare. But of course, we’re really only interested in how it affects your WordPress site. Read more below about what causes this error and some solutions on how to fix it quickly.

What is a 502 Bad Gateway Error?

The 502 Bad Gateway error specifically means that the server received an invalid response from an incoming server.

The Internet Engineering Task Force (IETF) defines the 502 Bad Gateway error as follows:

The 502 (Bad Gateway) status code indicates that the server, while acting as a gateway or proxy, received an invalid response from an inbound server it was accessing when attempting to fulfill the request.

Every time you visit a website, your browser sends a request to a web server. The web server receives and processes the request, and then sends back the requested resources along with an HTTP header and an HTTP status code. Normally, an HTTP status code is only shown when something goes wrong. It’s basically the server’s way of notifying you that something went wrong, along with the code to diagnose it.

There are many different types of 500 status error codes (500, 501, 502, 503, 504, 508, 520, etc.), each with slightly different meanings. These indicate that the request was accepted, but the server prevented the request from being fulfilled.

Check out our 502 error video guide

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502 Bad Gateway error variations

Due to different browsers, web servers, and operating systems, a 502 Bad Gateway error can show up in a variety of ways. But they all have the same meaning. The following are just a few of the many different variations you can see around the web:

“502 Bad Gateway”

“Error 502”

“HTTP Error 502 – Bad Gateway”

“502 Service Temporarily Overloaded”

“502 Proxy Error”

A blank white screen

“502 Server Error: The server encountered a temporary error and could not complete your request”

“HTTP502”

Temporary error (502)

502. This is a mistake

502 Bad Gateway Cloudflare

Bad Gateway: The proxy server received an invalid response from an upstream server

Another variation you may see is a “502 server error”.

And here’s another variant. “502 – The web server received an invalid response while acting as a gateway or proxy server. There is a problem with the page you are looking for and it cannot be displayed. When the web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server.”

Other services like Twitter might even display a completely different message for a 502 Bad Gateway error, e.g. B. “Twitter is busy”. This definitely looks a bit more user friendly.

And here’s a snapshot of how Google shows it. “502. This is a mistake. The server encountered a temporary error and could not complete your request. Please try again in 30 seconds. That’s all we know.”

502 errors affect SEO

Unlike 503 errors, which are used for WordPress maintenance mode and tell Google to check back later, a 502 error can have negative SEO implications if not addressed immediately. For example, if your site is down for just 10 minutes and it’s consistently crawled frequently, the crawler will simply pull the page from cache. Or Google may not even have a chance to recrawl it before it’s available again. In this scenario, you are perfectly fine.

However, if the site is down for an extended period of time, say more than 6 hours, Google may see the 502 error as a site-level issue that needs to be addressed. This could affect your ranking. If you’re concerned about repeated 502 errors, the first thing you should do is figure out why they’re occurring. Some of the solutions below may help.

How to Fix 502 Bad Gateway Error

A 502 bad gateway error is usually a network/server issue, but it can also be a client-side issue. So we’re going to dive into a little bit of both. Check out these common causes and ways to fix the 502 Bad Gateway error and get it up and running again.

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1. Try reloading the page

One of the easiest and first things to try when encountering a 502 Bad Gateway error is to simply wait a minute or so and refresh the page (F5 or Ctrl + F5). It could be that the host or server is simply overloaded and the page comes right back. While you’re waiting, you can also quickly try a different browser to rule this out as a problem.

You can also paste the site into downforeveryoneorjustme.com. This site will tell you if the site is down or if there is a problem on your end.

2. Clear your browser cache

Whenever you encounter such problems, it can be good to clear your browser cache. Below are instructions on how to do this in the different browsers:

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3. DNS problem

A 502 gateway error can also be due to a DNS issue, such as B. if the domain does not resolve to the correct IP or the DNS server does not respond. If you’ve just migrated your WordPress site to a new host, it’s important to wait for things to fully propagate, which can take up to 24 hours in some cases. This depends on the TTL value of your DNS records.

You can also try flushing your local DNS cache. This is similar to clearing your browser cache.

In Windows, just open Command Prompt and type:

ipconfig /flushdns

If it worked, you should see “DNS resolver cache cleared successfully”.

For macOS users, you can type the following in the terminal:

dscacheutil -flushcache

Note: There is no success message on Macs.

And finally, you could temporarily change your DNS servers. By default, DNS servers are automatically assigned by your ISP. However, you could try temporarily switching this to a public DNS server like Google’s. In fact, some prefer to use Google’s public DNS in the long run. If you have a premium DNS, propagation is usually much faster.

4. Check with your host

The main reason why we usually see a 502 bad gateway error is due to an issue with the web host. Sometimes a query, script or request takes too long and is therefore aborted or terminated by the server. Many hosts, especially shared hosts, implement what is called a “kill script”. Basically, a request is terminated after a certain amount of time, so it doesn’t shut down a website or affect other users. If you do a Twitter search for “bad gateway,” you can see thousands of tweets every day alerting your hosting company to the problem.

One reason you might want to consider moving to a host like Kinsta is that our platform runs in an isolated software container that contains all the software resources needed to run the site (Linux, NGINX, PHP, MySQL). This means the software that runs each site is 100% private and not shared, even between your own sites. This greatly reduces the chances of seeing a 502 bad gateway error. We don’t run aggressive kill scripts like some shared hosts do. And even if one of your websites goes down, your other websites won’t be affected.

Another reason why you might see a 502 gateway error with your host is also the fact that the server is simply unreachable, either because it is down or there is no connection. In this case, it is recommended to check your WordPress host’s status page or open a support ticket.

5. Temporarily disable CDN or Firewall

It could also be an issue with your Content Delivery Network (CDN) or firewall. If you’re using a third-party CDN provider, an easy way to troubleshoot is to simply disable your CDN temporarily. For example, we are big fans of the free CDN Enabler plugin. If you use that, you can just disable the plugin and then test your site. wp admin not working? Simply login to your website via SFTP and rename the plugin’s folder to cdn-enabler_old. This will temporarily disable the CDN connection. The same goes for WP Rocket or any other plugin you might have plugged into your CDN.

This can also sometimes happen with providers offering DDoS protection and mitigation or full proxy services like Cloudflare as they have additional firewalls in between. We’ve found this to happen occasionally on Cloudflare’s free plan. Unfortunately, since Cloudflare is a full proxy service, there is no quick way to simply disable it.

However, before you blame Cloudflare, it’s important to know that Cloudflare has two different types of 502 Bad Gateway Errors, as seen below:

502 Bad Gateway at Cloudflare (Variation 1)

If you see the following screen, it is indeed a Cloudflare issue. If so, you should contact them for assistance. You can also check Cloudflare’s status page to see if an outage is currently occurring.

502 Bad Gateway at Cloudflare (Variation 2)

If you see the following screen, there is a problem with your host.

GoDaddy Firewall

Here’s another example using an HTTP 502 error and GoDaddy’s firewall. The problem is actually with the origin server (the hosting provider) due to a timeout, not with the firewall itself.

6. Check your plugins and themes

Often the reason scripts and queries are aborted by the server is bad code on your WordPress site, possibly from a third-party plugin or theme. We’ve also seen many misconfigured caching plugins that generate 502 errors. Some ways you can fix this is to disable all your plugins. Remember that you won’t lose any data by simply disabling a plugin.

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If you still have access to your admin, you can do so quickly by navigating to Plugins and selecting Disable from the Bulk Actions menu. This will disable all your plugins. If this fixes the problem, you need to find the culprit. Start by activating them one by one, reloading the website after each activation. If you return the 502 gateway error, you have found the offending plugin. You can then contact the plugin developer for help or post a support ticket in the WordPress repository.

If you can’t access your admin, you can access your server via FTP and rename your plugins folder to something like plugins_old. Then check your site again. If it works, you’ll have to test each plugin individually. Rename your plugins folder back to “Plugins” and then rename each plugin folder inside it, one at a time, until you find it.

Always makes sure your plugins, themes and WordPress core are up to date. And make sure you’re running a supported version of PHP. You can always contact your host for assistance. We use Kinsta APM and other troubleshooting methods here at Kinsta to help clients narrow down which plugin, query, or script might be causing the error. You can also use your own custom New Relic key if you have your own license.

If it turns out to be an efficient query or bad code in a plugin, you may need to bring in a WordPress developer to troubleshoot the issue.

7. Check logs

You should also use your error logs. If you are a Kinsta client, you can easily see errors in the log viewer in the MyKinsta dashboard. This can help you quickly isolate the problem, especially if it’s due to a plugin on your site.

If your host doesn’t have a logging tool, you can also add the following code to your wp-config.php file to enable logging:

define( ‘WP_DEBUG’, true ); define( ‘WP_DEBUG_LOG’, true ); define( ‘WP_DEBUG_DISPLAY’, false );

If you need more help on how to enable WordPress debugging mode, here is a complete step-by-step guide.

The logs are usually located in the /wp-content directory. Others, like here at Kinsta, may have their own folder called “logs”.

You can also check the log files in Apache and NGINX, which are usually located here:

Apache: /var/log/apache2/error.log

/var/log/apache2/error.log NGINX: /var/log/nginx/error.log

If you’re a Kinsta client, you can also use our analytics tool to get a breakdown of the total number of 502 errors and see how often and when they occur. This can help you troubleshoot if it’s an ongoing issue or maybe something that resolved itself.

8. Restart PHP

Finally, you can also try restarting PHP. If you are a Kinsta client, you can easily restart PHP from the Tools menu in the MyKinsta dashboard. If your host doesn’t provide this, you can always open a support ticket and ask them to restart PHP.

9. PHP timeout issue

PHP timeouts occur when a single PHP process runs longer than the max_execution_time or max_input_time set in the PHP configuration on your server. This is a common occurrence when doing large WordPress imports. In this case, you usually get a 502 server error. If you encounter a PHP timeout, these values ​​may need to be increased.

You can check with your current WordPress host what values ​​are set on your server and if they can be increased. On the Kinsta platform, these values ​​are set to 300 seconds (5 minutes) by default. The maximum PHP timeout values ​​available on our platform are based on your current hosting plan.

summary

As you can see, there are a few things you can do to troubleshoot and fix a 502 gateway error on your WordPress site. Usually this isn’t up to the client side, it’s more up to your host. Third-party plugins and themes with bad code or unoptimized queries are also things to watch out for. Was there anything we missed? Maybe you have another tip for troubleshooting 502 gateway errors. If so, let us know in the comments below.

FAQ

What is a 502 Bad Gateway Error?

The 502 Bad Gateway error indicates that the server received an invalid response from an incoming server.

What causes the 502 error?

The 502 bad gateway error is usually caused by network/server related issues, but it can also be caused by client-side issues.

How do you fix the 502 Bad Gateway error?

There are a number of things you can try when trying to fix the 502 Bad Gateway Error:

1. Try reloading the page

2. Clear your browser cache

3. Flush your local DNS cache

4. Check with your host

5. Temporarily disable CDN or Firewall

6. Check your plugins and themes

7. Check your logs

8. Restart PHP

9. PHP timeout issue

How to Fix: 502 Bad Gateway Error in Chrome?

Always being greeted with the 502 Bad Gateway error message is not a positive sign that can be avoided. Instead, you must try some of the effective fixes. Top ways to fix: 502 Bad Gateway error in Chrome is to identify and remove extensions via incognito mode, check website server status, clear browser cache and cookies, delete DNS Clear cache and change network DNS addresses.

Just the other day I tried to access a website via Chrome but was always greeted with a 502 Bad Gateway error message. Trying to further understand this query, I stumbled across this Google support forum page and found out I wasn’t the only one bugged with this issue. So what caused this error?

Well, when an invalid request is sent from your browser to the web server (acting as a proxy/gateway), it in turn returns the response in the form of HTTP status 502 code. Your page will greet you with a 502 Bad Gateway error message.

So how to fix this problem? Well, in most cases, the problem comes from a server side. And how you deal with these upstream servers is not under your control. The website administrator needs to fix the problem.

Apart from that, sometimes the problem could very well be related to your browser or internet settings which you can easily adjust and thus fix the 502 Bad Gateway Error.

And that is exactly what this guide should make you aware of. So, without further ado, let’s get started.

Check website server status

First and foremost, you should verify that the website is up and running. To do this, you can enlist the help of a third-party website such as DownDetector, or try a different web browser. If there are no problems with the server, try reloading the website in question.

To do this, use the keyboard shortcuts Ctrl + R or click

Identify and remove extensions in incognito mode

is to the left of the omnibox. If the problem persists, it’s time to try some other fixes listed below.

Chrome’s incognito mode is used for a safe browsing experience. Aside from that, it also offers a near-stock experience by disabling all third-party trackers and extensions by default.

Consequently, if the problem is due to one of these add-ons, it will not appear in this private mode. Use the Ctrl + Shift + N keyboard shortcuts to bring up a new incognito window.

Now try to access the website. If the website is now working normally, it’s time to say goodbye to one of these extensions.

Here are the steps to disable and remove the culprit extension from Chrome:

Open a normal window and go to the chrome://extensions/ page. Now turn off the switch next to each of the extensions until you can no longer recreate the problem. Click the Remove button next to the last extension found to be the culprit.

While these extensions end up contributing more to overall productivity, it’s better to remove them precisely in that case when they indicate a bug.

Clear browser cache and cookies

If a lot of temporary data accumulates over time, it can affect the proper functioning of the PC.

Although not related to the network side, some users were able to fix the 502 Bad Gateway issue after running this fix.

Here are the quick steps to clear browsing data from Chrome:

Start the Google Chrome browser. Visit the Clear browsing data page by entering the following URL: chrome://settings/clearBrowserData Now select Cookies and other site data and Cached images and files. Click the Clear Data button and wait for the process to complete.

Now check if you can visit this website or not.

While this tweak worked for some, it turned out to be a temporary fix. Users had to clear the browser’s cache and data every few days, which in turn disrupted their normal workflow.

Clear DNS cache

The domain server’s cache stores temporary data about the websites you visit. Since the browser could fetch the data directly from the cache, the loading speed for these pages is faster.

But even if the cache data gets corrupted, it would have negative consequences. So it’s best to clear the DNS cache.

Here are the steps on how to clear DNS cache from Windows operating system:

Go to the start menu and search for CMD. Then launch this command prompt window as an administrator.

Now type the following command and press Enter to clear all DNS related cache. ipconfig /flushdns Once that is done, restart the browser and check if the 502 Bad Gateway Error is fixed or not.

Clearing DNS cache may slow down website loading speed when first opened. But if it fixes the 502 Bad Gateway problem, then it’s worth the trade-off.

Change network DNS addresses

Your ISP will provide you with the default DNS, but there is always an option to switch to a different one. And that’s what we would do here.

By switching to Google’s public DNS, we can verify whether the issue is related to our default DNS or not.

Here are the steps to change DNS address in Windows operating system:

Right-click the WiFi icon in the taskbar and select Open Network and Internet Settings.

Select Change adapter options and you will be taken to the list of available networks.

Right-click the connected network and select Properties. Now scroll to the Internet Protocol Version 4 section and click on Properties.

Then select the Use the following DNS server addresses option. Enter 8.8.8.8 under Preferred DNS address and 8.8.4.4 under Alternate DNS address.

Finally, click OK to save the changes and try to access the site.

If you can do this now, it’s best to stick with that DNS itself, at least for now.

Note that this change is done at device level and will only be applied to the device (laptop/PC) on which you performed the steps. All other devices connected to that network continue to use the original DNS itself.

Conclusion: Fix 502 Bad Gateway Nginx

With that in mind, we round off this guide on how to fix the 502 Bad Gateway Nginx error in Chrome. We have shared different types of workarounds that might work for you.

While the problem generally stems from the website server, in some cases the above browser-side tweaks fix the problem.

In my case, I first checked the website in a Microsoft Edge browser to verify if the problem was mine. And yes, the page loaded in the Edge browser. So I cleared Chrome browser browsing data as well as DNS cache which fixed the issue.

Let us know in the comments which one managed to get favorable results for you.

FAQ: Fix: 502 Bad Gateway Error in Chrome

Now let’s go through the frequently asked questions about how to fix error 502 Bad Gateway on Chrome.

What are the top ways to fix: the 502 Bad Gateway error in Chrome?

Top ways to fix: 502 Bad Gateway error in Chrome is to identify and remove extensions via incognito mode, check website server status, clear browser cache and cookies, delete DNS Clear cache and change network DNS addresses.

How do I clear DNS cache in Chrome?

Go to the start menu and search for CMD and then launch this command prompt window as administrator. Now type the command: ipconfig /flushdns and press Enter to flush all DNS related cache. Once that is done, restart the browser and check if the 502 Bad Gateway Error is fixed or not.

How do I change network DNS addresses?

Right-click the WiFi icon in the taskbar and select Open Network and Internet Settings. Now select Change adapter options and you will be taken to the list of available networks. Then right-click on the connected network and select Properties. Now scroll to the Internet Protocol Version 4 section and click on Properties and then select the Use the following DNS server addresses option. Enter 8.8.8.8 under Preferred DNS address and 8.8.4.4 under Alternate DNS address. Finally, click OK to save the changes and try to access the site.

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