Layout instability
The layout-shift performance entry and LayoutShift API measures the layout stability of web pages based on movements of the elements on the page. They're used to calculate Cumulative Layout Shift (CLS), a common metric for perceived stability.
Status
Limited availability
MDN documentation
Specifications
Browser support
- Chrome 84 Released on 2020-07-27
- Chrome Android 84 Released on 2020-07-27
- Edge 84 Released on 2020-07-16
- Firefox ❌ Vendor position : positive
- Firefox for Android ❌ Vendor position : positive
- Safari ❌
- Safari on iOS ❌
Usage (according to Chrome Platform Status)
~39.187% of page loads. More data at chromestatus.com.
Web Platform Tests (WPT)
View the latest WPT test results for this featureView as JSON | Edit this feature | Report an issue | Web-features entry: source, dist