If you have your own site then hetre's the solution for you:
A 500 Internal Server Error on your own website requires a completely different course of action. As we mentioned above, most 500 errors are server-side errors, meaning it's likely your problem to fix if it's your website.
There are lots of reasons why your site might be serving a 500 Error to your users, but these are the most common:
A Permissions Error. In most cases, a 500 Internal Server Error is due to an incorrect permission on one or more files or folders. In most of those cases, an incorrect permission on a PHP and CGI script is to blame. These should usually be set at 0755 (-rwxr-xr-x).
A PHP Timeout. If your script connects to external resources and those resources timeout, an HTTP 500 error can occur. Timeout rules, or better error handling in your script, should help if this is the cause of the 500 error.
A Coding Error in .htaccess. While not as common, be sure to check that your site's .htaccess file is properly structured.
If you're running WordPress, Joomla, or another content management or CMS system, be sure to search their support centers for more specific help troubleshooting a 500 Internal Server Error.
If you're not using an off-the-shelf content management tool, your web hosting provider, like InMotion, Dreamhost, 1&1, etc., probably has some 500 Error help that might be more specific to your situation.
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