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.
Learning resources on MDN
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 ❌ Vendor position : positive
- Firefox for Android ❌ Vendor position : positive
- Safari ❌ Vendor position
- Safari on iOS ❌ Vendor position
Usage (according to Chrome Platform Status)
~10.362% of page loads. More data at chromestatus.
Specifications
- Long Animation Frames API, from Web Performance Working Group (W3C).
View web-platform-tests results for this feature - View the feature source file (dist) - Edit the feature - Report an issue about this feature