HTTP Status Messages

HTTP Status Messages are errors that web servers and web browsers generate. There are several types:

100-199 Requests being processed
200-299 Requests completed successfully
300-399 Redirection
400-499 Request is incomplete for some reason
500-599 Server error

1xx: Informational

100 Continue
101 Switching Protocols

2xx: Successful

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

3xx: Redirection

300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other
304 Not Modified
305 Use Proxy
306 (Unused)
307 Temporary Redirect

4xx: Client Error

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-URL Too Long
415 Unsupported Media Type
416 Requested Range Not Satisfiable
417 Expectation Failed

5xx: Server Error

500 Internal Server Error
501 Not Implemented
502 Bad Gateway
503 Service Unavailable
504 Gateway Timeout
505 HTTP Version Not Supported

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HTTP-Status Messages