How to Fix 503 Service Unavailable Error In WordPress

How to Fix the 503 Service Unavailable Error In WordPress

If you are wondering what is up with the 503 Service Unavailable errors, and what is it?

Then it is an error you confront when the server is unable to reach when you are likely trying to access the webpage. Therefore isn’t just a message pertained to WordPress but also has got to do with the server. Hence, you can call them a “universal message or Universal code.” 503 error probably caused by either DDOS attacks or server downtime and, in the other case, due to customized scripts on WordPress or corrupt WordPress themes and plugins.

Nonetheless, you should even now check your site routinely when you ride into some other issues.

In light of that, how about we bounce directly into the solution.

Before we move on to how to fix the 503 errors, let’s look at what causes error 503 service unavailable in WordPress

If your website is on shared hosting, which is unstable in handling the full mode of using server resources, that may put your website into trouble. If you think that hosting alone can cause it to happen, then you’re wrong.

Sometimes, if no response received from the PHP script, this can be one of the reasons. PHP scripts are nothing but a snippet of code, which is custom in WordPress or either a plugin or a theme. If the error 503 caused by a DDOS attack or a server usage can no longer stay on the screen to bother you as it may disappear in less time.

Now the focus is on how to fix Error 503 Service Unavailable. 

Change settings to default theme!

As we know, a theme can also be a cause for error 503 service unavailable, let’s disable it!

How can you? And that’s simple as it seems like, by changing it to the default theme.

To do so,

  1. Go to the file manager using an FTP client. Or the other way is to connect through a file manager from the Cpanel.
  2. If that’s connected, jump on to wp/content/theme/ folder. Here you can view the currently activated theme on WordPress. Please have a copy of this by downloading it to your PC.
  3. Now, the theme saved to your PC, and you can hover over to delete the same theme. Right-click > delete.
  4. If your WordPress default theme is installed on your website, it automatically activates it. To understand how to delete or deactivate the WordPress theme from Cpanel, read our separate blog.

Make sure to check if the error has resolved. If not, follow me to the next step.

Solution 2

Plugins deactivations!

To disable or deactivate plugins, follow the below steps.

  1. First of all, log in to your file manager by using FTP or Cpanel. The reason behind using FTP client to connect to the WordPress site is that we are unable to log in generally due to the error.
  2. Navigate the cursor to the wp-content/plugins folder. Once you are here, click on the folder to choose the Rename option and alter it to “Plugins_old.”
  3. If you have renamed, It deactivates all the plugins. It must resolve the issues by deactivating all the plugins.
  4. Check the WordPress site if it loads. It means the plugin is creating the error 503. If so, now its time to identify which plugin is causing that trouble. By activating plugin one by one.
  5. Rename the folder that was previously renamed as “plugins_old” to the original name as “Plugins.” You can see a list of all installed plugins.
  6. Now from the file manager wp-content>plugins directly, We need to rename one by one plugin name to deactivate it. and keep refreshing your website to identify which plugin is creating the problem, when you successfully able to debug it delete the faulty plugin.

check our blog on how to deactivate plugins form cpanel step by step

That’s it for the troubles caused by themes or plugins. If that still doesn’t make any changes, go to the alternate solution given below.

Solution 3

Alternative fix!

Here you go to troubleshoot the problem by contacting the WordPress hosting company. Them being the expertise, they can point out what caused the issue more conveniently. A decent web host adheres to answers since they’re the proactive methods of managing the issue. If you need to wait for the service to come back again, you likely should consider moving to a host that cares more for clients. If the spike in traffic didn’t originate from an attack, it might be the ideal opportunity for you to deem updating your hosting plan for all time in any case.


In this blog, We have discussed 503 Service unavailable errors in WordPress. Go through the tutorial to fix error 503 on your own. If you have any doubts, do ask us in the comment section.


If you liked this tutorial, then please subscribe to our YouTube Channel You can also find us on Twitter and like us on Facebook.

Leave a Reply

Your email address will not be published. Required fields are marked *