HTTP status code

HTTP status code are 3 digits codes used to indicate whether an HTTP requests has been successfully completed.

Status code are broken into 5 blocks:

• 1xx informational
• 2xx Success
  • 200 OK - most common responses
• 3xx Redirection
  • 301 Moved Permanently - the requested resource has been permanently moved to the URL in the Location header
• 4xx Client Error
  • 400 BAD Request - request not understood by the server
  • 404 NOT FOUND
• 5xx Server Error