HTTP Status Code Errors

HTTP Status Codes appear when there is some kind of error loading a web page. They are standard types of errors so you could see them in any of your default browsers, like Internet Explorer, Firefox, Chrome, etc.

Status Code	Reason Phrase
100	Continue
101	Switching Protocols
102	Processing
200	OK
201	Created
202	Accepted
203	Non-Authoritative Information
204	No Content
205	Reset Content
206	Partial Content
207	Multi-Status
300	Multiple Choices
301	Moved Permanently
302	Found
303	See Other
304	Not Modified
305	Use Proxy
307	Temporary Redirect
400	Bad Request
401	Unauthorized
402	Payment Required
403	Forbidden
404	Not Found
405	Method Not Allowed
406	Not Acceptable
407	Proxy Authentication Required
408	Request Time-out
409	Conflict
410	Gone
411	Length Required
412	Precondition Failed
413	Request Entity Too Large
414	Request-URI Too Large
415	Unsupported Media Type
416	Request Range Not Satisfiable
417	Expectation Failed
422	Unprocessable Entity
423	Locked
424	Failed Dependency
425	Unordered Collection
426	Upgrade Required
500	Internal Server Error
501	Not Implemented
502	Bad Gateway
503	Service Unavailable
504	Gateway Time-out
505	HTTP Version Not Supported
506	Variant Also Negotiates
507	Insufficient Storage
510	Not Extended

Keep this as your guide to point out the common error codes. Enjoy :)