HTTP: The Definitive Guide

Status Codes

Table B-2 is a quick reference for all the status codes defined in the HTTP/1.1 specification, providing a brief summary of each.Section 3.4goes into more detailed descriptions of these status codes and their uses.

Table B-2. Status codes

Status code	Reason phrase	Meaning
100	Continue	An initial part of the request was received, and the client should continue.
101	Switching Protocols	The server is changing protocols, as specified by the client, to one listed in the Upgrade header.
200	OK	The request is okay.
201	Created	The resource was created (for requests that create server objects).
202	Accepted	The request was accepted, but the server has not yet performed any action with it.
203	Non-Authoritative Information	The transaction was okay, except the information contained in the entity headers was not from the origin server, but from a copy of the resource.
204	No Content	The response message contains headers and a status line, but no entity body.
205	Reset Content	Another code primarily for browsers; basically means that the browser should clear any HTML form elements on the current page.
206	Partial Content	A partial request was successful.
300	Multiple Choices	A client has requested a URL that actually refers to multiple resources. This code is returned along with a list of options; the user can then select which one he wants.
301	Moved Permanently	The requested URL has been moved. The response should contain a Location ...