CloudFlare Error 522 – How to Solve?

Cloudflare error

 

CloudFlare is one of the best CDNs out there. The most annoying error that you encounter in case of CloudFlare is error 522.

This error occurs in both CloudFlare free and pro version. But, however, here CloudFlare is not the player of the game.
Error codes starting from "5" are server side errors. You can refer to the list of HTTP status codes for more.

What causes this error 522?

As you may know, CloudFlare being one of the best CDNs out there makes requests for resources blazingly fast.

It demands resources from your server quickly. If your server fails to serve CloudFlare within time, then error 522 shows up.

From this, you can notice that the real problem is with your server but not the CloudFlare.

Most of the times, this error occurs in case of shared hosting. Because the resources are shared.When CloudFlare does not get the resources for its query within the timeout period error 522 pops out.

Why your server fails to react to CloudFlare queries? Your server will be busy serving other database queries and demands of other plugins.

What's the fix?

Ditch Hyperactive Plugins

Ditch out the plugin or module that supply database queries to your server often. Make your server free enough to serve CloudFlare.

Find out which of your plugin is slowing down the site.

As per Pareto's principle, "Roughly 80% of the effects come from 20% of the causes".

80% of the time, error 522 occurs due to faulty plugins, querying your server's database more often. Spotting down the hyperactive plugin should be the first go in this case.

For monitoring the profile or activity of each of the plugin, you may have to install the P3 (Plugin Performance Profiler)

On installing this plugin, it monitors all the activities of the plugin silently. Including the number of database queries it makes and monitors any server load issues caused by the installed plugins.

It also displays the impact caused by the plugins on page speed and others. It answers, what is the number of SQL queries per visit?

Using this plug-in, you can easily jot down the plug-ins that are causing server load issues.

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18 thoughts on “CloudFlare Error 522 – How to Solve?

    • Stupid question but is it possible for the website owner ban me from visiting their site? I got the 522 error as well. Disabling adblock did not work for me.. :/

    • Either it is a shared hosting or a VPS (openz) there will be problems. With dedicated server / VPS (xen, KVM) you will be in control to fine tune the performance.

      Apart from the server the network should also be considered. We had bad experiences when the data centers were in attack with DDOS.

  1. I don't use cloudflare as my ISP so why am I getting a cloudflare error. It's obviously some sort of malware infection since the browser has it's own connection timed out message that has been replaced by cloudlfare.

    Does any AV software remove this infection? I've got McAfee but that obviously isn't detecting it. Someone please help.

    • @tom
      I think you are misunderstanding what cloudflare does.
      This is not a virus or anything. You don't have cloudflare on your computer. Cloudflare isnt an ISP. It's not on your end.

      The thing that IS happening is that website owners choose Cloudflare to speed up and protect their websites. So it is only for certain websites.

      There are three 'machines' involved in this way. when there usually is just two.

      This is how website connections usually go:

      (Your computer) (WebServer)

      If the 'Connection' fails, it times out and you get your browsers timed out error.

      This is how website connections go trough cloudflare:
      (Your computer) (CloudFlare) (WebServer)

      When 'Connection A' fails, you get your browssers timed out error, however. if your connection between you and cloudflare is ok, then you dont get the error. But whenever 'Connection B' fails, then CloudFlare will tell you that there is something wrong with the connection between cloudflare and the webserver because the webserver does not respond or anything.

      Cloudflare is not in your computer or your ISP.

      See cloudflare as an ultrafast mailman.
      Cloudflare delivers faster than most webservers.

      You should check out their website to get a better picture.

      See this image:
      https://www.cloudflare.com/media/images/overview/overview.png

      https://www.cloudflare.com/overview

      I hope I made you understand the situation.

      Greetings,
      Patrick IJlenhave

      PS: I also suggest you not to use McAfee Antivirus. It's known to be bad. Use something else is what i suggest. I'm using the free version of AVG myself. But if you like McAfee or something else, go ahead ;).

  2. I have this frequent error in my website, I ask dreamhost about this and they suggest to upgrade my VPS. But in their control panel the memory usage is only 15%. Not good if you have serious business.

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