BASELINE NowYouCanUse.com
Widely Available Performance

Performance

The performance global object and the PerformanceObserver API provide access to performance-related information for the current execution context.
Baseline Status: Achieved Widely Available on Mar 16, 2018 (Cross-browser Newly Available since Sep 16, 2015).
Desktop Browser Engine Support
Google Chrome
6
Supported
Mozilla Firefox
7
Supported
Apple Safari
8
Supported
Microsoft Edge
12
Supported
Mobile Browser Engine Support
Chrome Android
18
Firefox Android
7
Safari iOS
9
Specifications and References
Specification ↗ Specification ↗ Specification ↗ Can I Use (user-timing) ↗ Can I Use (high-resolution-time) ↗ Feature XML ↗
MDN Browser Compat Data Keys:
api.Performance ↗ api.Performance.clearMarks ↗ api.Performance.clearMeasures ↗ api.Performance.getEntries ↗ api.Performance.getEntriesByName ↗ api.Performance.getEntriesByType ↗ api.Performance.mark ↗ api.Performance.mark.markOptions_parameter ↗ api.Performance.mark.returns_performancemark ↗ api.Performance.measure ↗ api.Performance.measure.measureOptions_parameter ↗ api.Performance.measure.returns_performancemeasure ↗ api.Performance.now ↗ api.Performance.timeOrigin ↗ api.Performance.toJSON ↗ api.PerformanceEntry ↗ api.PerformanceEntry.duration ↗ api.PerformanceEntry.entryType ↗ api.PerformanceEntry.name ↗ api.PerformanceEntry.startTime ↗ api.PerformanceEntry.toJSON ↗ api.PerformanceEntry.worker_support ↗ api.PerformanceMark ↗ api.PerformanceMark.PerformanceMark ↗ api.PerformanceMark.detail ↗ api.PerformanceMeasure ↗ api.PerformanceMeasure.detail ↗ api.PerformanceObserver ↗ api.PerformanceObserver.PerformanceObserver ↗ api.PerformanceObserver.PerformanceObserver.droppedEntriesCount ↗ api.PerformanceObserver.disconnect ↗ api.PerformanceObserver.observe ↗ api.PerformanceObserver.supportedEntryTypes_static ↗ api.PerformanceObserver.takeRecords ↗ api.PerformanceObserver.worker_support ↗ api.PerformanceObserverEntryList ↗ api.PerformanceObserverEntryList.getEntries ↗ api.PerformanceObserverEntryList.getEntriesByName ↗ api.PerformanceObserverEntryList.getEntriesByType ↗ api.performance ↗ api.performance.worker_support ↗ http.headers.Timing-Allow-Origin ↗
id: performance