HTML Error Codes: Common Error Messages
Monday, 4. October 2010
| 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 GET command, it indicates that the meta information returned 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 other than 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 | 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 | Request not specifying the file name. The directory or the file does not have permission which allow 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 | The error is due to a problem with the code or program you are requesting 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 | Server unable to process the request due to 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 |
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