HTTP Status Code Lookup
Look up HTTP status codes and their meanings. Complete reference for all standard HTTP response codes.
HTTP Status Codes
62 codesHTTP Status Code Classes
1xxInformational:
请求已被接收，继续处理
2xxSuccess:
请求已成功被服务器接收、理解并接受
3xxRedirection:
需要客户端采取进一步操作才能完成请求
4xxClient Error:
请求包含语法错误或无法完成请求
5xxServer Error:
服务器在处理请求时发生错误
RFC Reference:
HTTP/1.1: RFC 7231, HTTP/2: RFC 7540