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Long animation frames

Limited availability

The long-animation-frame performance event type and the PerformanceLongAnimationFrameTiming API provide information about rendering updates that take longer than 50 milliseconds. Also known as LoAFs.

Browser support

  • Chrome 123 Released on 2024-03-19
  • Chrome Android 123 Released on 2024-03-19
  • Edge 123 Released on 2024-03-22
  • Firefox Not supported Position: positive Bugs: 1348405
  • Firefox for Android Not supported Position: positive
  • Safari Not supported Position
  • Safari on iOS Not supported Position
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MDN documentation

Specifications

Usage (according to Chrome Platform Status)

~33.995% of page loads. More data at chromestatus.com.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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