List of HTTP Errors, you encounter while Opening Website

 Error #     Info     Error Code
100     Info     Continue
101     Info     Switching Protocols

Success Codes

Error #     Info     Error Code
200     Info     OK
201     Info     Created
202     Info     Accepted
203     Info     Non-Authoritative Information
204     Info     No Content
205     Info     Reset Content
206     Info     Partial Content

Redirection Codes

Error #     Info     Error Code
300     Info     Multiple Choices
301     Info     Moved Permanently
302     Info     Found
303     Info     See Other
304     Info     Not Modified
305     Info     Use Proxy
307     Info     Temporary Redirect

Client Error Codes

Error #     Info     Error Code
400     Info     Bad Request
401     Info     Unauthorized
402     Info     Payment Required
403     Info     Forbidden
404     Info     Not Found
405     Info     Method Not Allowed
406     Info     Not Acceptable
407     Info     Proxy Authentication Required
408     Info     Request Timeout
409     Info     Conflict
410     Info     Gone
411     Info     Length Required
412     Info     Precondition Failed
413     Info     Request Entity Too Large
414     Info     Request-URI Too Large
415     Info     Unsupported Media Type
416     Info     Requested Range Not Satisfiable
417     Info     Expectation Failed

Server Error Codes

Error #     Info     Error Code
500     Info     Internal Server Error
501     Info     Not Implemented
502     Info     Bad Gateway
503     Info     Service Unavailable
504     Info     Gateway Timeout
505     Info     HTTP Version not supported