The Web page that displays when a user tries to view a page that no longer exists or the page file name has changed. There are different types of errors, Most common errors are:
- 301: The page has been moved Permanently
- 401: The user does not have permission to view the file/directory.
- 404: The page could not be found (bad URL).
- 500: One of your scripts is not functioning properly, and is returning an Internal Server Error.
Error pages can be modified from the server default by adding custom error handling in your .htaccess file.