0xx Non-Informational |
| 001 | Document does not contain HTML or XML | |
| 002 | Document does not contain HTML or XL - Close window | |
1xx Informational |
| 100 | Continue | |
| 101 | Switching Protocols | |
| 102 | Processing | WebDAV |
2xx Success |
| 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 |
| 100 | Continue | |
3xx Redirection |
| 300 | Multiple Choices | |
| 301 | Moved Permanently | |
| 302 | Found | |
| 303 | See Other | since HTTP/1.1 |
| 304 | Not Modified | |
| 305 | Use Proxy | since HTTP/1.1 |
| 306 | Switch Proxy | No longer used |
| 307 | Temporary Redirect | since HTTP/1.1 |
4xx Client Error |
| 400 | Bad Request | |
| 401 | Unauthorized | |
| 402 | Payment Required | |
| 403 | Forbidden | |
| 404 | Not Found | |
| 405 | Method Not Allowed | |
| 406 | Not Acceptable | |
| 407 | Proxy Authentication Required | |
| 408 | Request Timeout | |
| 409 | Conflict | |
| 410 | Gone | |
| 411 | Length Required | |
| 412 | Precondition Failed | |
| 413 | Request Entity Too Large | |
| 414 | Request-URI Too Long | |
| 415 | Unsupported Media Type | |
| 416 | Requested Range Not Satisfiable | |
| 417 | Expectation Failed | |
| 422 | Unprocessable Entity | WebDAV |
| 423 | Locked | WebDAV |
| 424 | Failed Dependency | WebDAV |
| 425 | Unordered Collection | |
| 426 | Upgrade Required | |
| 449 | Retry With | |
5xx Server Error |
| 500 | Internal Server Error | |
| 501 | Not Implemented | |
| 502 | Bad Gateway | |
| 503 | Service Unavailable | |
| 504 | Gateway Timeout | |
| 505 | HTTP Version Not Supported | |
| 506 | Variant Also Negotiates | |
| 507 | Insufficient Storage | WebDAV |
| 509 | Bandwidth Limit Exceeded | non-official HTTP status code |
| 510 | Not Extended | |
