HTTP status Code encountered

OK success

301 Moved Permanently The document requested by the customer elsewhere, the new URL is given in the location header, and the browser should automatically access the new URL.

302 Found is similar to 301, but the new URL should be treated as a temporary replacement, not a permanent.

304 not Modified has cached files, no more requests

403 Forbidden server denied request

404 Not Found, file not found

502 Bad Gateway server as a gateway or proxy, in order to complete the request to access the next server, but the server returned an illegal response

503 Service Unavailable Server failed to answer due to maintenance or heavy load (I understand: too many requests, processing not to come, was abandoned)

504 Gateway Timeout is used by a server acting as a proxy or gateway, indicating that it is not possible to get an answer from a remote server in a timely manner (I understand: The wait time is too long, timed out)

Common HTTP status Codes

Common HTTP Status Codes (HTTP state code) description

HTTP status Code encountered