Some Common Internet Error Codes With Meanings

100 Continue
101 Switching Protocols
102 Processing (WebDAV; RFC 2518)
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information (since HTTP/1.1)
204 No Content
205 Reset Content
206 Partial Content
207 Multi-Status (WebDAV; RFC 4918)
208 Already Reported (WebDAV; RFC 5842)
226 IM Used (RFC 3229)
300 Multiple Choices
301 Moved Permanently
302 Found
303 See Other (since HTTP/1.1)
304