If something has gone wrong, you may occasionally be greeted by an error code when trying to access your web site. Here are the most common error codes, and what they mean.
This is if a file you requested has been moved, and the server has redirected you automatically to a new file, in accordance with a redirect rule on the server.
400 Bad Request
The 400 Bad Request error is an HTTP status code that means that the request you sent to the website server (i.e. a request to load a web page) was somehow malformed therefore the server was unable to understand or process the request.