HTTP response Code

One, the HTTP code should be code
The response code consists of three-bit decimal digits, which appear in the first line of the response sent by the HTTP server.

The response code is divided into five types, denoted by their first digit:
1.1XX: Information, request received, continue processing
2.2XX: Success, Behavior is successfully accepted, understood and adopted
3.3XX: Redirect, in order to complete the request, the action must be further performed
4.4XX: Client error, request contains syntax error or request cannot be implemented
5.5XX: Server error, server cannot implement an apparently invalid request

The following table shows each response code and what it means:
100 continue
101 Group Exchange Association
OK
201 was created
202 are adopted
203 Non-authorised information
204 No Content
205 Resetting Content
206 part of the content
300 + Options
301 Permanently transmitted
302 found
303 See other
304 not changed
305 using Proxies
307 Temporary redirection
400 Error request
401 Not authorized
402 Request for payment
403 Forbidden
404 Not Found
405 Methods not allowed
406 Not Accepted
407 Request for Proxy authorization
408 Request timed out
409 conflicts
410 Out of date
411 length of the requirement
412 Premise not established
413 The request instance is too large
414 Request URI too large
415 Unsupported media types
416 The range of requests that cannot be satisfied
417 Expectations of failure
500 Internal Server Error
501 Not used
502 Gateway Error
503 Unavailable Services
504 Gateway Timeout
505 HTTP version is not supported

HTTP response Code