{"json_modified": "2016-10-14T05:19:10.381705", "uuid": "fc17bcd7-457c-4984-b6c8-d84a5950f40b", "title": "If-Range", "url": "/en-US/docs/Web/HTTP/Headers/If-Range", "tags": ["HTTP Header", "Reference", "HTTP", "Condtional Requests", "Range Requests", "Request header"], "translations": [], "modified": "2016-10-14T05:19:10", "label": "If-Range", "localization_tags": [], "locale": "en-US", "id": 192743, "last_edit": "2016-08-31T04:26:58", "summary": "The <strong><code>If-Range</code></strong> request HTTP header makes the range request conditional: if the condition is fulfilled, the range request will be and the server send back a <a href=\"/en-US/docs/Web/HTTP/Status/206\" title=\"The HTTP 206 Partial Content success status response code indicates that the request has succeeded and has the body contains the requested ranges of data, as described in the Range header of the request.\"><code>206</code></a> <code>Partial Content</code> answer with the appropriate body. If the condition is not fulfilled, the full resource is sent back, with a <a href=\"/en-US/docs/Web/HTTP/Status/200\" title=\"The HTTP 200 OK success status response code indicates that the request has succeeded. A 200 response is cacheable by default.\"><code>200</code></a> <code>OK</code> status.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Directives", "title": "Directives"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/HTTP/Headers/If-Range", "review_tags": []}