List of Common HTML Error Codes

 
CodeDescriptionComment
100Continue
101Switching Protocols
200OKAction completed successfully
201CreatedSuccess following a POST command
202AcceptedThe request has been accepted for processing, but the processing has not been completed.
203Partial InformationResponse to a GET command, indicates that the returned meta information is from a private overlaid web.
204No ContentServer has received the request but there is no information to send back.
205Reset Content
206Partial ContentThe requested file was partially sent.   Usually caused by stopping or refreshing a web page.
300Multiple Choices
301Moved PermanentlyRequested 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.
302Moved Temporarily
303See Other
304Not ModifiedThe cached version of the requested file is the same as the file to be sent.
305Use Proxy
400Bad RequestThe request had bad syntax or was impossible to be satisified.
401UnauthorizedUser failed to provide a valid user name / password required for access to file / directory.
402Payment Required
403ForbiddenThe 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.
404Not FoundThe requested file was not found.
405Method Not Allowed
406Not Acceptable
407Proxy Authentication Required
408Request Time-Out
409Conflict 
410Gone
411Length Required
412Precondition Failed
413Request Entity Too Large
414Request-URL Too Large
415Unsupported Media Type
500Server ErrorIn 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.
501Not ImplementedThe server does not support the facility required.
502Bad Gateway 
503Out of ResourcesThe server cannot process the request due to a system overload.  This should be a temporary condition.
504Gateway Time-OutThe service did not respond within the time frame that the gateway was willing to wait.
505HTTP Version not supported

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