List of Common HTML Error Codes Code Description Comment 100 Continue 101 Switching Protocols 200 OK Action completed successfully 201 Created Success following a POST command 202 Accepted The request has been accepted for processing, but the processing has not been completed. 203 Partial Information Response to a GET command, indicates that the returned meta information is from a private overlaid web. 204 No Content Server has received the request but there is no information to send back. 205 Reset Content 206 Partial Content The requested file was partially sent. Usually caused by stopping or refreshing a web page. 300 Multiple Choices 301 Moved Permanently Requested a directory instead of a specific file. The web server added the filename index.html, index.htm, home.html, or home.htm to the URL. 302 Moved Temporarily 303 See Other 304 Not Modified The cached version of the requested file is the same as the file to be sent. 305 Use Proxy 400 ...