{"json_modified": "2016-08-31T04:15:04.507729", "uuid": "97a7cc48-8306-4ad8-9b31-6ff439feb56d", "title": "501 Not Implemented", "url": "/en-US/docs/Web/HTTP/Status/501", "tags": ["Server error", "HTTP", "Status code"], "translations": [], "modified": "2016-08-31T04:15:04", "label": "501 Not Implemented", "localization_tags": [], "locale": "en-US", "id": 191103, "last_edit": "2016-08-31T04:15:01", "summary": "The HTTP <code><strong>501</strong></code><strong><code> Not Implemented</code></strong> server error response code indicates that the request method is not supported by the server and cannot be handled. The only methods that servers are required to support (and therefore that must not return this code) are <a href=\"/en-US/docs/Web/HTTP/Methods/GET\" title=\"The GET method requests a representation of the specified resource. Requests using GET should only retrieve data.\"><code>GET</code></a> and <a href=\"/en-US/docs/Web/HTTP/Methods/HEAD\" title=\"The HTTP HEAD method requests the headers that are returned if the specified resource would be requested with an HTTP GET method. Such a request can be done before deciding to download a large resource to save bandwidth, for example.\"><code>HEAD</code></a>.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Status", "title": "Status"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}], "slug": "Web/HTTP/Status/501", "review_tags": []}