HTTP Error Pages
- 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 : Payload Too Large
- 414 : URI Too Long
- 415 : Unsupported Media Type
- 416 : Range Not Satisfiable
- 417 : Expectation Failed
- 418 : I'm a teapot
- 421 : Misdirected Request
- 422 : Unprocessable Entity (WebDAV)
- 423 : Locked (WebDAV)
- 424 : Failed Dependency (WebDAV)
- 425 : Too Early
- 426 : Upgrade Required
- 428 : Precondition Required
- 429 : Too Many Requests
- 431 : Request Header Fields Too Large
- 451 : Unavailable For Legal Reasons
- 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)
- 508 : Loop Detected (WebDAV)
- 510 : Not Extended
- 511 : Network Authentication Required