HTTP Status Codes / Hints / goPing v1.018

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HTTP Status Codes

Hypertext Transfer Protocol (HTTP) response status codes Wikipedia

HTTP status codes in the 1xx are typically informational.

Code	Description
200	OK
201	Created
202	Accepted
203	Non-Authoritative Information (since HTTP/1.1)
204	No Content
205	Reset Content
206	Partial Content
207	Multi-Status (WebDAV) (RFC 4918)
208	Already Reported (WebDAV; RFC 5842)
226	IM Used (RFC 3229)

HTTP status codes in the 3xx range pertain to redirection. The client must take additional action to complete the request.

Code	Description
300	Multiple Choices
301	Moved Permanently
302	Found
303	See Other (since HTTP/1.1)
304	Not Modified
305	Use Proxy (since HTTP/1.1)
306	Switch Proxy
307	Temporary Redirect (since HTTP/1.1)
308	Resume Incomplete

HTTP status codes in the 4xx range indicate that a problem occurred with the request.

Code	Description
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 Timeout
409	Conflict
410	Gone
411	Length Required
412	Precondition Failed
413	Request Entity Too Large
414	Request-URI Too Long
415	Unsupported Media Type
416	Requested Range Not Satisfiable
417	Expectation Failed
418	I'm a teapot (RFC 2324)
419	Authentication Timeout (not in RFC 2616)
420	Method Failure (Spring Framework)
420	Enhance Your Calm (Twitter)
422	Unprocessable Entity (WebDAV) (RFC 4918)
423	Locked (WebDAV) (RFC 4918)
424	Failed Dependency (WebDAV) (RFC 4918)
425	Unordered Collection (RFC 3648)
426	Upgrade Required (RFC 2817)
428	Precondition Required
429	Too Many Requests
431	Request Header Fields Too Large
440	Login Timeout (Microsoft)
444	No Response
449	Retry With
450	Blocked by Windows Parental Controls
451	Unavailable For Legal Reasons (Internet draft)
451	Redirect (Microsoft)
494	Request Header Too Large (Nginx)
495	Cert Error (Nginx)
496	No Cert (Nginx)
497	HTTP to HTTPS (Nginx)
499	Client Closed Request

Error codes in the 5xx range indicate that server is aware that it has encountered an error or is otherwise incapable of performing the request.

Code	Description
500	Internal Server Error
501	Not Implemented
502	Bad Gateway
503	Service Unavailable
504	Gateway Timeout
505	HTTP Version Not Supported
506	Variant Also Negotiates (RFC 2295)
507	Insufficient Storage (WebDAV) (RFC 4918)
508	Loop Detected (WebDAV; RFC 5842)
509	Bandwidth Limit Exceeded (Apache bw/limited extension)
510	Not Extended (RFC 2774)
511	Network Authentication Required
520	Origin Error (Cloudflare)
521	Web server is down (Cloudflare)
522	Connection timed out (Cloudflare)
523	Proxy Declined Request (Cloudflare)
524	A timeout occurred (Cloudflare)
598	(Informal convention) network read timeout error
599	(Informal convention) network connect timeout error