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HTTP 501 Not Implemented 服务器错误响应码表示请求的方法不被服务器支持,因此无法被处理。服务器必须支持的方法(即不会返回这个状态码的方法)只有 GETHEAD

请注意,你无法修复 501 错误,需要被访问的 web 服务器去修复该问题。

501 响应默认是可缓存的。


501 Not Implemented


Specification Title
RFC 7231, section 6.6.2: 501 Not Implemented Hypertext Transfer Protocol (HTTP/1.1): Semantics and Content


FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support Yes Yes Yes Yes Yes Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support Yes Yes Yes Yes Yes Yes Yes


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