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503 Service Temporarily Unavailable

How to Fix 503 Service Unavailable Error in WordPress?

December 14, 2020

The 503 Service Unavailable error is an HTTP status code that indicates the website’s server is not ready right now. It occurs most of the time because the server is too busy or maintenance is being performed on it.

A 503 Service Unavailable Error is an HTTP reply status code indicating that your web server operates appropriately, but it can’t temporarily handle the request at the moment. This error happens for a wide variety of reasons. Usually, this problem can be due to a temporary overloading or maintenance being performed on the server. It is resolved after some time or once the webserver application has released another thread.

503 Service Unavailable
503 Service Unavailable

What Does HTTP Error 503 Mean? 

A 503 error presents when something has stopped a browser from reaching a target website’s server – typically that the server has been unable to control the information request. However, the reason for this won’t be apparent.

The error is usually accompanied by a few suggested actions to help remedy the situation. However, one of these will be to try and access the website at a later time. While this information can be frustrating and useless for helping you solve the problem, some sites display a blank error page.

The error message’s precise wording can vary slightly, as the following listing of some of the common variants shows:

  • Status code HTTP Error 503
  • HTTP 503
  • HTTP Error 503
  • HTTP Error 503 The service is unavailable
  • 503 Error
  • HTTP Server Error 503
  • Error 503 Service Unavailable
  • HTTP /1.1 Service Unavailable
  • 503 Service Unavailable Error
  • 503 Service Temporarily Unavailable
  • Service Unavailable – DNS Failure
  • Error 503 Maximum threads for service reached

Why HTTP Error 503 Appears?

There are two head causes of a 503 error. One, the server may be down for listed maintenance. Meaning, it hasn’t crashed, but its undergoing maintenance.

Two, the server may be refusing requests due to overload. There may be a high income of traffic, and the server is leaving a portion of the claims by serving them a 503 status code to maintain normal behavior.

The error 503 Service Unavailable is important for SEO. If you don’t set it soon, search engines will register it as a permanent issue and de-index the page. We’re continuing to take a look at some troubleshooting tips and tricks to help you resolve the problem.

Error 503 Service Unavailable
Error 503 Service Unavailable

How to fix HTTP 503 errors

Troubleshooting on the Client-Side 

Reload (Refresh) the page 

Hit the reload button on your system web browser or press F5 on your keyboard to reload the webpage. Then check to see if your HTTP Error 503 leaves.

Restart Your Devices

There should be a chance that the web server does not find the appropriate source file from its location. There should be any incorrect configurations on the DNS server configurations from the client-side (router or computer), which a simple restart of both might correct.

Scan for Malware

If you are sure the website is up and running for other people, there’s a good chance that this error is caused by malware infection. These malware codes can cause many problems in your system, including blocking access to your cheapest way to buy klonopin favorite websites. Scan your computer thoroughly with antivirus software.

Clear Temporary Files

Over time, your system saves junk files from normal web browsing and computer use. Suppose this junk isn’t occasionally cleaned out. In that case, it will cause the Windows Operating System to respond slowly or provides an Unavailable Service error, possibly due to file conflicts or an overloaded hard drive. Disk Clean-up is a helpful built-in Windows tool that can instantly remove temporary files from your system.

Visiting the website later

If you have Refresh your webpage and restarted your devices, and the difficulty persists, your 503 Service Unavailable error expected comes from the webserver. As discussed above, temporary overloading or maintenance being performed on the server. You can wait a little while and then try accessing the site (or running the application) again. You will visit the problem website when several visitors have left the site, or the administrator has repaired the server.

Contact server admin

If you still notice an error, it may be helpful to contact the relevant administrator or support, if it’s available. Most websites have support-based social media accounts, and any even have phone numbers and email addresses.

Troubleshooting on the Server-Side

Reboot the Web Server

Error 503 Service Unavailable code can occur from a bottleneck in the server chain that hosts your application. If you or a web admin can do so, one of the most straightforward solutions is restarting the server hosting the application. Make sure all servers are adequately rebooted. You can lead the website back to normal by rebooting the server.

Server Connectivity Issues

Modern applications don’t reside on an individual server; instead, be spread over multiple servers. This error can also be a signal that there is something shady in the server chain. Maybe one part of the server chain is down or unreachable, which points to HTTP error 503 services unavailable. Thus, seeing out the real faulty section is your 503 service unavailable fix.

Improper Firewall Configuration

Your Firewall is the gatekeeper of your webserver, and it blocks possibly harmful data streams. However, it’s entirely possible for a firewall configured somewhere on the network where your application is running to prevent some form of critical traffic from getting through. So, examine your firewall configuration to pinpoint and fix the issue.

Check the Logs

Application logs are typically the history of what the application did, such as which pages were requested, which servers it connected to, which database results from it provide, and so forth. Therefore, you can check the logs with all associated services’ health and status and the server itself.

Finally, if the problem is due to a programming error, further investigation will be required to pinpoint the issue and take steps to change it.


It can get challenging to operate the online world with all of its status codes, errors, and complications. To make everything easier for you, we’ve written this comprehensive HTTP status code cheat sheet to assist you to understand the various types of status codes and what they mean. It’ll come in handy for quickly referencing codes and discovering what each kind of error implies and how you can fix it.

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