Resource timing (initial support)
Widely available since 2020-03-19 (baseline high)
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.
Compatibility (view on caniuse.com)
- Chrome 43 Released on 2015-05-19
- Chrome Android 43 Released on 2015-05-27
- Edge 12 Released on 2015-07-29
- Firefox 35 Released on 2015-01-13
- Firefox for Android 35 Released on 2015-01-13
- Safari 11 Released on 2017-09-19
- Safari on iOS 11 Released on 2017-09-19
MDN docs
- PerformanceResourceTiming
- PerformanceResourceTiming.connectEnd
- PerformanceResourceTiming.connectStart
- PerformanceResourceTiming.domainLookupEnd
- PerformanceResourceTiming.domainLookupStart
- PerformanceResourceTiming.fetchStart
- PerformanceResourceTiming.initiatorType
- PerformanceResourceTiming.redirectEnd
- PerformanceResourceTiming.redirectStart
- PerformanceResourceTiming.requestStart
- PerformanceResourceTiming.responseEnd
- PerformanceResourceTiming.responseStart
Specifications
BCD data
- api.PerformanceResourceTiming
- api.PerformanceResourceTiming.connectEnd
- api.PerformanceResourceTiming.connectStart
- api.PerformanceResourceTiming.domainLookupEnd
- api.PerformanceResourceTiming.domainLookupStart
- api.PerformanceResourceTiming.fetchStart
- api.PerformanceResourceTiming.initiatorType
- api.PerformanceResourceTiming.redirectEnd
- api.PerformanceResourceTiming.redirectStart
- api.PerformanceResourceTiming.requestStart
- api.PerformanceResourceTiming.responseEnd
- api.PerformanceResourceTiming.responseStart