Andreas Kling b5e70908aa LibWeb: Segregate StyleComputer rule caches per Document-or-ShadowRoot ...

This means we only need to consider rules from the document and the
current shadow root, instead of the document and *every* shadow root.

Dramatically reduces the amount of rules processed on many pages.

Shaves 2.5 seconds of load time off of https://wpt.fyi/ :^)

2025-01-28 01:12:45 +01:00

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