{"json_modified": "2016-03-28T08:48:58.996509", "uuid": "a8904194-5939-4f95-92b8-adf56ec89c65", "title": "PerformanceFrameTiming", "url": "/en-US/docs/Web/API/PerformanceFrameTiming", "tags": ["Web Performance", "Reference", "Interface", "API"], "translations": [], "modified": "2016-03-02T09:28:41", "label": "PerformanceFrameTiming", "localization_tags": [], "locale": "en-US", "id": 170407, "last_edit": "2016-03-02T09:28:37", "summary": "The <strong><code>PerformanceFrameTiming</code></strong> interface provides <em>frame</em> timing data about the browser's event loop. A <em>frame</em> represents the amount of work a browser does in <a href=\"https://html.spec.whatwg.org/multipage/webappapis.html#processing-model-8\">one event loop</a> such as processing DOM events, resizing, scrolling, rendering, CSS animations, etc. A <em>frame rate</em> of 60fps (frames per second) for a 60Hz refresh rate is the target for a good <em>responsive</em> user experience. This means the browser should process a frame in about 16.7ms.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Properties", "title": "Properties"}, {"id": "Methods", "title": "Methods"}, {"id": "Example", "title": "Example"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/PerformanceFrameTiming", "review_tags": ["technical"]}