{"json_modified": "2016-08-31T04:11:10.866657", "uuid": "e0e5848c-bcd7-4972-a174-4148ae201e85", "title": "204 No Content", "url": "/en-US/docs/Web/HTTP/Status/204", "tags": ["Reference", "HTTP", "Status code", "Success"], "translations": [], "modified": "2016-08-31T04:11:11", "label": "204 No Content", "localization_tags": [], "locale": "en-US", "id": 192745, "last_edit": "2016-08-31T04:11:06", "summary": "The HTTP <strong><code>204 No Content</code></strong> success status response code indicates that the request has succeed, but that the client doesn't need to go away from its current page. A 204 response is cacheable by default. An <a href=\"/en-US/docs/Web/HTTP/Headers/ETag\" title=\"The ETag HTTP response header is an identifier for a specific version of a resource. It allows caches to be more efficient, and saves bandwidth, as a web server does not need to send a full response if the content has not changed. On the other side, if the content has changed, etags are useful to help prevent simultaneous updates of a resource from overwriting each other (&quot;mid-air collisions&quot;).\"><code>ETag</code></a> header is included in such a response.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Status", "title": "Status"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/HTTP/Status/204", "review_tags": []}