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Layout Instability Monitoring

Category

Performance

Type

New or changed feature

Status

Enabled by default (Chrome 77)

Intent stage

Prepare to ship

Summary

Adds the LayoutShift interface to the Performance API, allowing developers to monitor changes to a DOM element's on-screen position.

Standards & signals

• Specification: https://wicg.github.io/layout-instability/
• Firefox: Positive
• Safari: No signal
• Web developers: Positive
• Tracking bug: http://crbug.com/912338

Docs: https://github.com/WICG/layout-instability/blob/master/README.md

Explainers: https://github.com/WICG/layout-instability

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