Update LayoutShiftAttribution documentation for impact-area ordering #42145
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(comment last updated: 2025-12-02 11:20:33) |
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Ane, congrats on landing your first docs change here — welcome aboard 🎉 |
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Description
Updates the
LayoutShiftAttributioninterface documentation to reflect the standardization of impact-area ordering forLayoutShift.sources, as implemented in Chrome 143.Motivation
The Chromium team has defined a standardized ordering for
LayoutShiftAttributionentries based on impact area to ensure consistent and predictable behavior across browser implementations.This documentation update helps developers understand how layout shift sources are ordered and what behavior they can reliably expect when using the Performance API to analyze layout shifts.
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