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Throttle the rendering pipeline during page load when there's pending sheets.

Category
CSS
Type
New or changed feature
Status
Enabled by default (Chrome 56)
Intent stage
None

Summary

Delay running the rendering pipeline (style, layout, paint) and executing requestAnimationFrame callbacks inside iframes until pending stylesheets have finished loading.

Standards & signals

Docs: https://docs.google.com/document/d/1waQggCtPb44gwTp8PK5iz4B-YTiSOSBqbqtbopNrxNA/edit

Samples: https://www.elliottsprehn.com/examples/iframe-fouc-raf/?delay=500

View on chromestatus.com