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 Bad Request The request had bad syntax or was impossible to be satisified.
401 Unauthorized User failed to provide a valid user name / password required for access to file / directory.
402 Payment Required  
403 Forbidden The request does not specify the file name. Or the directory or the file does not have the permission that allows the pages to be viewed from the web.
404 Not Found The requested file was not found.
405 Method Not Allowed  
406 Not Acceptable  
407 Proxy Authentication Required  
408 Request Time-Out  
409 Conflict   
410 Gone  
411 Length Required  
412 Precondition Failed  
413 Request Entity Too Large  
414 Request-URL Too Large  
415 Unsupported Media Type  
500 Server Error In most cases, this error is a result of a problem with the code or program you are calling rather than with the web server itself.
501 Not Implemented The server does not support the facility required.
502 Bad Gateway   
503 Out of Resources The server cannot process the request due to a system overload.  This should be a temporary condition.
504 Gateway Time-Out The service did not respond within the time frame that the gateway was willing to wait.
505 HTTP Version not supported