PerformanceLongTaskTiming

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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The PerformanceLongTaskTiming interface of the the Long Tasks API reports instances of long tasks.

Properties

PerformanceLongTaskTiming.attribution Read only
Returns a sequence of TaskAttributionTiming instances.

Specifications

Specification Status Comment
Long Tasks API 1
The definition of 'PerformanceLongTaskTiming' in that specification.
Working Draft Initial definition.

Browser Compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
PerformanceLongTaskTiming
Experimental
Chrome Full support 58Edge ? Firefox ? IE ? Opera Full support YesSafari ? WebView Android Full support 58Chrome Android Full support 58Firefox Android ? Opera Android Full support YesSafari iOS ? Samsung Internet Android Full support Yes
attribution
Experimental
Chrome Full support 58Edge ? Firefox ? IE ? Opera Full support YesSafari ? WebView Android Full support 58Chrome Android Full support 58Firefox Android ? Opera Android Full support YesSafari iOS ? Samsung Internet Android Full support Yes

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.