状态码查询网站

响应码分五种类型，由它们的第一位数字表示：

响应码由三位十进制数字组成，它们出现在由HTTP服务器发送的响应的第一行。

• 1xx：信息，请求收到，继续处理
• 2xx：成功，行为被成功地接受、理解和采纳
• 3xx：重定向，为了完成请求，必须进一步执行的动作
• 4xx：客户端错误，请求包含语法错误或者请求无法实现
• 5xx：服务器错误，服务器不能实现一种明显无效的请求

1×× Informational

• 100 Continue
• 101 Switching Protocols
• 102 Processing

2×× Success

• 200 OK
• 201 Created
• 202 Accepted
• 203 Non-authoritative Information
• 204 No Content
• 205 Reset Content
• 206 Partial Content
• 207 Multi-Status
• 208 Already Reported
• 226 IM Used

3×× Redirection

• 300 Multiple Choices
• 301 Moved Permanently
• 302 Found
• 303 See Other
• 304 Not Modified
• 305 Use Proxy
• 307 Temporary Redirect
• 308 Permanent Redirect

4×× 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 Payload Too Large
• 414 Request-URI Too Long
• 415 Unsupported Media Type
• 416 Requested Range Not Satisfiable
• 417 Expectation Failed
• 418 I'm a teapot
• 421 Misdirected Request
• 422 Unprocessable Entity
• 423 Locked
• 424 Failed Dependency
• 426 Upgrade Required
• 428 Precondition Required
• 429 Too Many Requests
• 431 Request Header Fields Too Large
• 444 Connection Closed Without Response
• 451 Unavailable For Legal Reasons
• 499 Client Closed Request

5×× 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
• 508 Loop Detected
• 510 Not Extended
• 511 Network Authentication Required
• 599 Network Connect Timeout Error