Reference index / 모션 접근성·성능·실행 상태
Layout Thrashing
Repeated unnecessary synchronous layout calculation caused by alternating layout reads and writes.
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When to use it
Diagnosing web animation performance.
Caveats and distinctions
Preserve information and functionality when reducing motion. Performance varies with properties, browsers, devices, and scenes; measure it. Original educational implementation; not cross-browser or accessibility certification.
Implementation and classification
UI·UX 모션 / 모션 접근성·성능·실행 상태
Sources and verification status
https://developer.mozilla.org/en-US/docs/Web/CSS/Reference/At-rules/@media/prefers-reduced-motion
Source scope and verification status describe the existing catalog record. Publishing this page does not independently re-verify the latest library version, license, or production behavior.