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At some betoken in fourth dimension, you must take encountered a 500 Internal Server Fault while trying to access a detail website. As a visitor, yous may ignore it, just every bit a website administrator, you cannot afford to ignore information technology and get rid of it as soon as possible.

Not only the website frontend but also the WordPress administrator dashboard might non be available to access. In this article, we will walk you through some of the reasons why this error occurs, how to avoid it, and why information technology is important to invest in a reliable web hosting server to avert this error and better website uptime.

The frequent occurrence of 500 internal server error is bad for the reputation of your concern and will lead to visitors losing trust in your make. Besides the reputation, it will likewise hurt your search engine rankings. Hence information technology is advised to avoid this error, and deeply understand what it is all about and how to troubleshoot.

Sometimes it could exist due to the problem in website configuration, while sometimes it has something to practise with bug at the server, which might be beyond your control.

What is a 500 internal server error?

In one of our previous articles about HTTP Status codes , we accept covered in item the type of errors website users might see. The 3-digit error status lawmaking that starts with 'five' and looks like 5XX indicates that there is no problem with the request fabricated past the user agent.

Just due to some other reasons, the server is not able to process the asking due to incorrect configuration of the website or due to some consequence encountered within the server.

While 500 specifically indicates that the webserver is facing some kind of an Internal issue due to which the request fabricated by the user agent could non be processed at that moment. Sometimes this kind of error is momentary, which lasts for a few minutes and sometimes simply a few seconds.

But if the problem persists, chances are that there is a problem with the website. Likewise, it is found that often the issue arises due to incorrect configuration of the website, which you tin fix at your cease.

But if this is very frequent yous should talk over the trouble with the webserver tech back up team to help y'all troubleshoot the result. Some other popular 5XX error codes are 502 Bad Gateway error, 504 Gateway timeout error

For a more specific kind of issue, you demand to look into the specific error lawmaking using tools like MS IIS. Some of the nigh commonly occurring codes are as shown below:

Code List of 500 Internal Server Errors
Code	Caption
500.eleven	The awarding crashes down on the webserver when a request is made by a user agent.
500.12	The application is under the restart process on the webserver.
500.13	The web server is too busy with other requests. In other words, it is overloaded with a large number of requests, which is more than its capacity.
500.fourteen	Invalid application configuration on the server. The WordPress website installation is wrong or corrupt.
500.15	Direct requests for GLOBAL.ASA is not allowed.
500.16	UNC authorisation credentials are wrong.
500.17	URL potency store cannot exist found.
500.18	URL authorisation shop cannot be opened.
500.19	Data for this file is configured improperly in the Metabase.
500.2	URL say-so scope cannot be establish.
500.21	Module not recognized.
500.5	A rewrite error occurred during RQ_BEGIN_REQUEST notification handling. A configuration or inbound rule execution error occurred.

How to Gear up 500 Internal Server Mistake in WordPress?

If in that location is a 500 internal server mistake on your WordPress website the users volition not exist able to access any of its pages, which indicates that there could be a trouble at the root directory. Hither are some of the most common issues due to which your WordPress website has an HTTP 500 Internal Server Mistake.

Decadent .htaccess file
Exceeding PHP Memory Limit
Faulty Plugin or theme Issue
Corrupted Cadre Files
Check File Permissions
Unsupported PHP Version
Incorrect DNS entries
Problem with Server itself

#1 – Corrupt .htaccess file

One of the most common causes of WordPress 500 error is a corrupted .htaccess file (found in the root directory) that might arise due to a plugin update, theme update, etc., or during the migration from ane server to another. To set up this mistake you tin supercede the current htaccess file with another i.

Sometimes you might not be able to come across the .htaccess file, in such cases cheque the hidden files in the root directory equally well. As well, brand sure that the file is correctly named. Read everything near the htaccess file in wordpress here.

#2 – Exceeding PHP Memory Limit

This could happen due to some plugin or theme consuming a lot of processing memory, or if yous are using also many plugins. If your WordPress website is consuming a lot of memory to process a asking you might run out of memory limit.

Y'all can increase the memory limit to troubleshoot this problem. This could be done by making some modifications to the wp-config file or php.ini file.

Add this code to the wp-config file:

Y'all tin can increment the memory limit by changing 64M to 128M, 256M, and so on.

Alternatively, you can increase the retentivity limit through php.ini. Edit your php.ini, observe out the line of code that defines the memory limit which will await like this:

memory_limit = 32M ;

You tin increase information technology to 64M, 128M, 256M, so on.

Another related outcome is with Maximum Execution Fourth dimension. If a request made by the user agent takes more than than the time limit set for the website process request. You lot tin increase the max execution time limit either through the wp-config file, .htaccess file, or php.ini file.

To ascertain the Max Execution Fourth dimension using wp-config, add the post-obit code or if the lawmaking already exists increase its value:

set_time_limit(300);

To increase the time limit using the .htaccess file, add or edit the following lawmaking:

php_value max_execution_time 300

You can edit php.ini every bit well to increase the execution fourth dimension using this code:

max_execution_time = 300

#3 – Faulty Plugin or theme Result

If you take recently installed or updated a plugin you might need to investigate if that is causing an issue. If y'all can access the admin dashboard, y'all can conciliate all the plugins at one time, and and then refresh the website to check if information technology works now.

If it works reactivate the plugins one after the other and bank check after activating each of the plugins. That fashion you will be able to identify which plugin is causing the issue. If after deactivating the plugins the website is still not working then the consequence is obviously not due to whatever of the plugins.

If you are not able to access the admin backend you tin can rename the directory of each of the plugins, and while doing so you tin check the website afterward renaming each of these and see if the problem resolves. As well, it is recommended to go along all the plugins updated.

Endeavour updating or switching the theme of your WordPress website and come across if the internal server error is gone. Sometimes outdated or corrupt scripts and codes within the theme files can pb to an internal server mistake. If you take encountered this error after a theme update, study this to the theme programmer, and restore it to a previous version.

That is why it is recommended to have regular backups of your website, especially earlier making themes, plugins, or core installation updates. Some hosting providers also provide you with Mistake logs that might help yous further identify the crusade of the error.

Hosting providers like WPOven provide you with a console within your hosting console to update the plugins, themes, core files, and many other management tools for better performance and control over your website forth with regular backup and restore options.

#4 – Corrupted Core Files

You can upload the updated files through an FTP server to troubleshoot the internal server fault on your WordPress website. You tin upload the updated files from WordPress.com and upload them to the server using FTP software like FileZilla etc.

#five – Check File Permissions

To make the WordPress website work perfectly fine, it is essential to have all the directory and file permissions correctly configured. The recommended file permission settings are every bit follows:

755 for all folders and sub-folders.
644 for all files.

Wrong permission settings will lead to the blocking of some plugins, themes, and scripts to work.

At WPOven you lot can apply the "Gear up Permissions" tool for fixing file permissions in Sites->Tools in the dashboard.

#6 – Unsupported PHP Version

There are outdated PHP versions that are non supported by the latest WordPress version anymore. I of the latest versions 7.0, 7.1, 7.2, seven.iii, and 7.4 are highly recommended. You can refer to our article on PHP Versions equally well for more details.

Also, y'all can find the latest PHP 8 version here. WPOVen – Managed WordPress Hosting Comes with the latest PHP Updates.

#7 Incorrect DNS entries

If your DNS is pointing to a server other than your hosting server, the visitors volition not exist able to access information technology. Make sure that the DNS entries are accurate.

#8 – Trouble with Server itself

If none of them work y'all should immediately contact the tech support team of your web hosting provider to troubleshoot. In that location might be a problem with either the server hardware or the software. If in that location are frequent outage reports at the server end you should consider switching to another company.

Cheque out our commodity on WordPress Security hither

Tips to avoid Internal Server Error and Quick Troubleshoot

First and foremost, keep all the plugins, themes, and WordPress Core updated. The outdated versions tend to create more than bug and are more decumbent to security threats like malware and hacking.
Always take regular backups of your WordPress website files and database. Use a practiced plugin that takes regular backup and can easily restore the website to the desired version.
Turn on 'Debugging'. It is a small-scale trick that will assist you easily debug the website, past giving you lot vital data nigh the crusade of the issue. Information technology tin can be enabled past adding the following line of code in your wp-config file: "ascertain( "WP_DEBUG", true );"
Increase your PHP Memory Limit (as explained above).
Use a highly reliable server.
Use security plugins to browse and audit your website regularly.
Apply reliable and trusted plugins and themes only, that provide expert back up.

Some of the top web server hosting companies like WPOven have a system in place to go along a close watch on the hosted WordPress websites and send out a notification to the website administrator. In that location are some free web-based website monitoring tools similar UptimeRobot, that also send notifications in instance the website is not working for any reason.

Steps for troubleshooting of 500 Internal Server Error.

Step one: Reload the page, sometimes at that place is a momentary issue with the server, then a simple reload of the folio volition get you to the page.

Pace 2: Articulate Browser Cache: Using Hard Refresh (Ctrl + F5) y'all tin can clear the cache, moreover yous tin go to browser history and clear the browser cache.

Step three: Endeavour accessing the wp-admin backend of your WordPress installation.

Step 4: If you lot tin access the admin dashboard, deactivate all the plugins to run across if it resolves the trouble. If it does, start reactivating the plugins i by i to identify the one creating the trouble. Y'all take to get rid of that plugin. Before doing this make sure that all the plugins are updated to the latest version.

Footstep 5: If yous are unable to resolve the issue, switch the theme to the default ane, if information technology resolves the issue you will accept to update the theme or change the theme. Probably some of the theme files could get corrupted, hence you can re-upload the files.

Step half dozen: If the trouble persists, check the .htaccess file, file permissions, as well as (equally explained higher up),

Step 7: You lot tin also cheque out your error logs and detect out the possible causes that trigger 500 internal server errors. All you need to do is log in to the FTP client and and then navigate to the Mistake log Directory and either download information technology or direct open it in an editor.

This will help you to narrow downward the issue so that you hands figure out the exact problem and you can immediately fix it. You can also read our complete guide on How to access and ready WordPress fault logs?

Stride 8: Information technology is besides highly possible that the 500 internal server error can generate due to corrupt WordPress core files, especially if you are running an old website. To prepare this, the easiest thing you can do is to completely replace the old WordPress core files with the new ones without affecting your WordPress theme and plugin.

To reinstall WordPress core files, yous can refer to our detailed and comprehensive post on How to reinstall WordPress using 4 all-time methods?

Step ix: If the problem persists, immediately contact the tech support squad to help you resolve the outcome and make your website alive.

Where can you see a 500 internal server error?

HTTP 500 Mistake on a WordPress Website:
500 Error on Linux:
500 internal server error NGINX

HTTP 500 internal server Fault on a WordPress Website:

If your website has encountered an internal server error, you will not be able to admission the website. In extreme cases, you might not be able to access even the wp-admin backend.

Typically, your browser volition show any of the following messages:

"500 Internal Server Mistake"
"HTTP 500"
"Internal Server Error"
"HTTP 500 – Internal Server Error"
"500 Fault"
"HTTP Fault 500"
"500 – Internal Server Mistake"
"500 Internal Server Error. Sorry, something went wrong."
"500. That'south an error. There was an error. Please endeavour once again later. That's all we know."
"The website cannot display the page – HTTP 500."
"Is currently unable to handle this request. HTTP Error 500."

500 internal server Fault on Linux:

If your website visitors are getting the 500 HTML fault status you lot can troubleshoot it using Linux as well, especially if the error arises due to any of the CGI or PERL scripts.

Also, the error tin be due to the non-compatible versions of PHP and Apache. In such a example y'all demand to upgrade PHP or recompile Apache. In Apache yous can go through the mistake logs in the following locations:

/usr/local/apache/logs/error_log

/usr/local/apache/logs/suphp_log

You can use Linux commands to fix the errors, for example, to alter the file and folder permissions you have to utilize the following commands:

cd public_html

observe . -type d -exec chmod 755 {} \;

find . -blazon f -exec chmod 644 {} \;

500 Server Error on some Popular Websites:

Though at that place are lesser instances of 500 internal server errors on the world'southward nigh visited website, even then they have encountered the mistake at some bespeak in time. Some websites have very creatively designed fault pages as well. Some of the examples are shown below:

FitBit.com:

Amazon

Disney

GitHub

Some of the leading Content Delivery Network providers like Amazon'south AWS offer to create a custom folio when in that location is a 500 internal server fault.

500 internal server error NGINX

When in that location is an consequence that happens on the server-side, due to which NGINX is unable to return a proper response, information technology starts showing 500 internal server error. The issue can happen due to multiple reasons some of the near common are, limited file permissions and errors in the script.

However, you lot can easily fix this error past post-obit these unproblematic methods:

Strength refresh or restart your webpage.
Cheque out your Error logs.
Cheque out the Scripts.
Bank check whether adequate permission is granted to folders and files.
Check all your redirections.

How does 500 Internal Server Mistake Effects your Search Engine Ranking?

Non-availability of websites, or in other terms longer and frequent downtime of the website tin negatively impact your search engine rankings. Google ever strives to provide a proficient user feel to the visitors, and hence if many visitors meet the problem at different points in fourth dimension it will downgrade the ranking of the website for sure.

Hence information technology is of import to take these errors seriously and proceed monitoring the websites. Using Google Analytics too as Search Console you lot tin can see how many visitors faced the error. Too the user experience, Google crawler as well crawls the website regularly, and while crawling it found that the website is not available consistently which volition negatively affect the rankings.

Decision

The seriousness of the 500 Internal Server Error depends on how frequent the error occurs, and the crusade of the error. If the error lies with the website files or configuration so you need to fix it or go professional person help.

But if errors oftentimes occur due to some problem with the server's hardware or software then you demand to immediately migrate to a more than reliable and trusted hosting company

General FAQ

What does 500 internal server error mean?

The Hypertext Transfer Protocol (HTTP) 500 Internal Server Fault response code represents that the server is unable to fulfill a particular request that was made by a user at the forepart of the website.

How practice I gear up internal server error?

The all-time and quickest means to fix the internal server errors are

Endeavor reloading your web pages. Practice it with F2 or Ctrl+F5
Clear enshroud of your browsers.
Delete all browser cookies.
Yous tin can also contact the website admin to let them know

What causes internal server fault?

500 Internal Server errors are caused due to server errors where the server may not exist able to fulfill whatsoever particular asking at that time. It may also cause due to some policy issues with your APIs.

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Source: https://www.wpoven.com/blog/500-internal-server-error/