Reference index / 웹 렌더링·성능·상태
CLS
A metric measuring accumulated unexpected shifts in visible page elements.
When to use it
Structuring a design so it runs quickly and consistently in actual browsers.
Caveats and distinctions
Framework names and rendering strategies are separate concepts. Do not claim performance superiority without specifying measurement conditions.
Implementation and classification
웹·CSS / 웹 렌더링·성능·상태
Sources and verification status
https://developer.mozilla.org/en-US/docs/Web
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.