BASELINE NowYouCanUse.com
Widely Available Performance
id: resource-timing

Resource timing

PerformanceResourceTiming entries report when network events happen while loading a resource, such as when connections start and end. You can use this information to measure loading times.
Baseline Status: Achieved Widely Available on Mar 19, 2020 (Cross-browser Newly Available since Sep 19, 2017).
Desktop Browser Engine Support
Google Chrome
29
Supported
Mozilla Firefox
35
Supported
Apple Safari
11
Supported
Microsoft Edge
12
Supported
Mobile Browser Engine Support
Chrome Android
29
Firefox Android
35
Safari iOS
11
Specifications and References
Specification ↗ Can I Use (resource-timing) ↗ Feature XML ↗
MDN Browser Compat Data Keys:
api.Performance.clearResourceTimings ↗ api.Performance.resourcetimingbufferfull_event ↗ api.Performance.setResourceTimingBufferSize ↗ api.PerformanceResourceTiming ↗ api.PerformanceResourceTiming.connectEnd ↗ api.PerformanceResourceTiming.connectStart ↗ api.PerformanceResourceTiming.contentType ↗ api.PerformanceResourceTiming.deliveryType ↗ api.PerformanceResourceTiming.domainLookupEnd ↗ api.PerformanceResourceTiming.domainLookupStart ↗ api.PerformanceResourceTiming.fetchStart ↗ api.PerformanceResourceTiming.firstInterimResponseStart ↗ api.PerformanceResourceTiming.initiatorType ↗ api.PerformanceResourceTiming.nextHopProtocol ↗ api.PerformanceResourceTiming.redirectEnd ↗ api.PerformanceResourceTiming.redirectStart ↗ api.PerformanceResourceTiming.renderBlockingStatus ↗ api.PerformanceResourceTiming.requestStart ↗ api.PerformanceResourceTiming.responseEnd ↗ api.PerformanceResourceTiming.responseStart ↗ api.PerformanceResourceTiming.responseStatus ↗ api.PerformanceResourceTiming.secureConnectionStart ↗ api.PerformanceResourceTiming.toJSON ↗ api.PerformanceResourceTiming.workerStart ↗ api.PerformanceResourceTiming.worker_support ↗