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Rebase LCP on top of w3c/paint-timing#100 #121

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merged 6 commits into from
Jan 15, 2024
Merged

Rebase LCP on top of w3c/paint-timing#100 #121

merged 6 commits into from
Jan 15, 2024

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clelland
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@clelland clelland commented Nov 21, 2023

This eliminates the dependency on the still-incubating ElementTiming spec, by using concepts newly-introduced into Paint Timing.

The concept of LCP-eligibility is also added, to encapsulate the various heuristics used to filter out elements which are not the primary content of the page (though which would still be considered "contentful" for purposes of calculating First Contentful Paint time.)


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Note that this will fail to compile under bikeshed until w3c/paint-timing#100 lands, due to the new references.

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@noamr noamr left a comment

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Overall LGTM, added some notes.

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@clelland clelland merged commit 06358fd into main Jan 15, 2024
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@clelland clelland deleted the refactor branch January 15, 2024 17:12
clelland added a commit to WICG/element-timing that referenced this pull request Jan 16, 2024
This updates Element Timing to use the common timing algorithms exposed in Paint Timing, so that it is more closely aligned with that spec. At the same time, Element Timing no longer drives Largest Contentful Paint, as that API now relies on Paint TIming directly instead (with the PR in w3c/largest-contentful-paint#121)

This also moves [email protected] to "Former Editor"
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3 participants