How to fix HTTP error 503 for WordPress website

Mar 2, 2020 | Errors and Troubleshooting, WordPress website

HTTP Error 503 can confuse most WordPress users as it can make your website completely inactive without explaining why the error occurred. If you are new to WordPress, learning about the platform will take some time. However, there may be an error that requires a small fix. This is strange, but it happens. For new users, this can be a great source of frustration. An excellent example in this regard is an unavailable service HTTP error 503.

In this article, we will guide you about the 503 service unavailable error and tell you how to fix the HTTP error 503 for the WordPress website.

What is HTTP Error 503?

Error 503 in WordPress means that your website may not be available right now because the server is unavailable. This can happen because the server is under maintenance, too busy with service, or anything else that requires further analysis.

The error “Service 503 is unavailable” is often caused by WordPress themes and plugins that are outdated and defective. The error arises when there are problems with getting a response from a PHP script on your site’s server. This is usually due to outdated or poorly coded scripts in the themes and plugins.

HTTP Error 503 variations

You can see error 503 in different variations. Let’s take a look.

  • HTTP 503
  • 503 Error
  • HTTP Error 503
  • HTTP Server Error 503
  • 503 Service Unavailable

Common Reason behind the 503 Service Unavailable Error

There are four most common potential reasons behind 503 error.

  1. Custom script
  2. Downtime by the server
  3. DDoS (Denial of Service) attacks
  4. Problem with the theme or plugins.

How to Fix HTTP Error 503 for WordPress Website

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Things to do from Client-Side

The HTTP error 503 comes from the server so there very less things to do from the client-side. But there are a few of belongings you can do because the client to see on the status of an internet site. Let’s go from the only, most elementary troubleshooting then go deeper when the error 503 doesn’t get away.

  • Refresh the page after a couple of minutes. If the temporary error 503 is for short time, then maybe refreshing the page is all it takes. If that doesn’t change anything, advance to subsequent step.
  • Restart your modem and see if anything changes once you connect again.
  • Check the status of the domain you’re trying to access on the Is It Down immediately site. Navigate to the Is It Down immediately site and enter the URL of the domain where you’re seeing the error. The results will tell you if the location is down completely or if it’s only happening for you. The error 503 will show abreast of some machines and not on others if there’s a string of servers and just one of these is temporarily unavailable.
  • If the HTTP error 503 happened while you were paying for something, don’t attempt to pay again until you’ve got contacted your bank to see if the payment went through the primary time.
  • Get in-tuned together with your hosting server. If the location is yours but it’s on shared hosting, get in-tuned and allow them to know what’s happening. They’re going to tell you if it’s a maintenance issue or if it’s something else. Either way, they will help solve it, thanks to how it’s a drag on the server and not your computer.

Things to do from Server-Side

If you’re seeing the error 503 code on a site that you simply manage and have access to the servers, you’ll do variety of things to undertake and find an answer. Begin with the straightforward troubleshooting tests and advance to the more complex tests if the error persists.

  • First off, restart or reboot the server hosting the location with the error. If it’s hosted on a couple of servers, reboot all of them.
  • Check for unexpected automatic maintenance. Many web applications, including WordPress, tend to possess automatic maintenance downtime for updates, etc. These maintenance moments can mention a mistake 503.
  • Check on your bandwidth. It’s highly likely that when a site gets popular and receives tons of tourists, it can overwhelm the server.
  • Check server connectivity on the server chain. If the domain is hosted during a server chain, reboot those you’ve got access to. Any of the servers within the chain might be down for maintenance.
  • Check the firewalls. Badly configured firewalls might be mentioning an HTTP error 503. The aim of a firewall is to guard applications from malicious content. It is possible that a firewall on the network is showing a false response and blocking content that isn’t necessarily malicious. CDNs, content delivery networks, move high volume content and may confuse firewalls once in a while.
  • Check the logs. If the error still hasn’t been resolved and you can’t find what’s causing it, it’s time to see the server logs. Access the activity logs using an FTP client or cPanel. Look for errors that would be triggering the error 503.
  • Check the code. The last item you’ll do to undertake and resolve a persistent error 503 is to see your code. Especially if you’ve got custom code on your site. Sift through your code to seek out any bugs which may be triggering the error code. If you plow ahead with this, it’s best to repeat the code and check it on an area development machine. That way, nothing else gets broken by mistake.