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When it comes to websites, there are many different errors that can be very confusing and confusing. The white screen of death or the horrible errors in establishing database connections come to mind.
Error 502 Hosting
But the most popular is the 502 Bad Gateway error. Why? Because it happens all over the web, not only on WordPress sites, but also on popular services like Gmail, Twitter, and Cloudflare.
Fixed] 502 Bad Gateway Error On WordPress Website
A 502 Bad Gateway error means that the server received an invalid response from the incoming server.
A 502 (Bad Gateway) status code is an invalid response from an incoming server when the server, either a gateway or a proxy, attempts to complete the request.
Every time you visit a website your browser sends a request to the web server. When the web server receives and processes the request, it returns the requested resources with an HTTP header and an HTTP status code. This means that no HTTP status symbol is displayed if something goes wrong. This is the server’s way of notifying you that something has gone wrong, along with a code on how to check it.
There are many different types of 500 status error codes (500, 501, 502, 503, 504, 508, 520, etc.) and they all have different meanings. This indicates that the request was accepted, but the server was prevented from fulfilling the request.
Http Status Code 500
Due to differences in browsers, web servers, and operating systems, the 502 Bad Gateway error can present itself in different ways. But they all mean the same thing. Below are some of the different types you can find online:
This is another difference. “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 server was contacted web (acting as a gateway or proxy).the upstream content server, received a response from the content server.
Other services, such as Twitter, will display a different message for the 502 Bad Gateway error, such as “Twitter has exceeded capacity.” It seems to be less user-friendly.
Here is a screenshot of Google’s display. “502. That’s an error. The server encountered a temporary error and could not complete your request. Please try again in 30 seconds. That’s all we know.”
Error 502 Bad Gateway.!
Unlike 503 errors, which are used for WordPress maintenance mode and ask Google to check later, 502 errors can have a negative impact on SEO if not resolved quickly. If your site is down for just 10 minutes and is crawled several times in a row the crawler will release the page from the cache. Google probably won’t have a chance to crawl again before backing up. In this situation, you are very good.
However, if the site is down for a long time, say 6+ hours, Google may see the 502 error as a site-level issue that needs to be addressed. This will affect your rating. If you’re concerned about recurring 502 errors you should know why these errors started. Some of the solutions below may help.
The 502 Bad Gateway error is usually a network/server problem, but it can also be a client-side issue. So let’s dive into both. Check out these common causes and ways to fix the 502 Bad Gateway error and get it back up and running.
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What Is 502 Bad Gateway Error & How To Fix It?
One of the easiest and first things you should try when dealing with the 502 Bad Gateway error is to wait a minute and reload the page (F5 or Ctrl + F5). It is possible that the host or server is just overloaded and the site will come back fine. While you wait, you can quickly try a different browser to rule this out as an issue.
Another thing you can do is link the website downforeveryoneorjustme.com. This website will tell you if the site is down or if there is a problem on your end.
When you experience problems like this it might be a good idea to clear your browser cache. Below are instructions on how to do this in different browsers:
The 502 Gateway error can also be caused by a DNS problem, such as the domain not resolving to the correct IP or the DNS server not responding. If you’ve transferred your site to a new host, it’s important to wait for things to fully deploy, which can take up to 24 hours in some cases. It depends on the TTL value of your DNS record.
Errors 500, 502, 503, 504 And 508. Reasons And Ways Of Fixing
Finally, you can change your DNS servers temporarily. By default, DNS servers are automatically assigned by your ISP. But you can temporarily switch to a public DNS server like Googles. Of course, some prefer to use Google’s DNS for a long time. It’s usually faster if you have premium DNS hosting.
The first reason we see a 502 Bad Gateway error is because of a problem with the web host. Sometimes a query, write or request takes too long and is therefore rejected or killed by the server. Many hosts, especially shared hosts, implement something called “writing weapons”. This means that the request will be canceled after a certain period of time in order not to crash a site and affect other users. If you search Twitter for “bad gateway” you will see thousands of tweets every day warning your hosting company of the problem.
One reason you might want to consider moving to a host is that our platform runs in a separate software container that contains all the software resources needed to run the site (Linux, NGINX, PHP , MySQL). This means that the software that runs each site is 100% unique and never shared between your own sites. This greatly reduces the chance of seeing a 502 Bad Gateway error. We don’t run spammy articles like some hosts. And if one of your sites goes down, it doesn’t affect the other sites.
Another reason you may see a 502 gateway error with your host is that the server cannot be reached, either because it is down or there is no connection. In this case, it is recommended to check your host’s official page or open a support ticket.
Error 502: What It’s Meaning And What Are The Solutions?
There may also be a problem with your content delivery network (CDN) or firewall. The easiest way to troubleshoot if you are using a third party CDN provider is to temporarily disable your CDN. For example, we’re big fans of the free CDN Enabler plugin. If you are using that, you can disable the plugin and test your site. Wp-admin not working? Just login to your site via SFTP and rename the plugin folder to cdn-enabler_old. The CDN connection will be disabled temporarily. The same goes for WP Rocket or any other plugin you have connected to your CDN.
Sometimes this affects providers that offer DDoS protection and mitigation, or all intermediary services like Cloudflare, because they have other platforms between them. We’ve seen this happen once on Cloudflare’s free plan. However, since CloudFlare is a reliable proxy service, there is no quick way to disable it.
However, before you blame Cloudflare, it is important to know that there are two different types of 502 Bad Gateway errors found with Cloudflare below:
If you see the following screen, this is definitely a problem on Cloudflare’s end, so you should contact them for support. You can also check Cloudflare’s official page to see if they are currently having problems.
How To Fix 502 Bad Gateway Error In WordPress?
Here’s an example with an HTTP 502 error with GoDaddy’s firewall. The problem is caused by the point of origin (hosting provider), after all, not the firewall itself.
The server often drops posts and queries due to malicious code on your WordPress site, possibly from a third-party plugin or theme. We’ve seen a lot of faulty caching devices that generate 502 errors. Some of the ways you can troubleshoot this is by disabling all of your devices. Remember, you won’t lose any data if you disable the plugin.
If you can still access your administrator, a quick way to do this is to browse to “Plugins” and select “Uninstall” from the main action menu. This will erase all your devices. If you solve the problem you have to find the culprit. Start activating them individually, and the site will reload after each activation. When you see a 502 port error
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