What is a return code?
A HTTP server return code that identifies the success, failure, and other characteristics of a transfer of data from a server to a browser. Some codes (for example, 404) are displayed to visitors on a page.
List of HTTP Return Codes
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 Switch Proxy
- 307 Temporary Redirect
- 308 Permanent Redirect (experimental)
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-URI Too Long
- 413 Request Entity Too Large
- 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