Changes to Largest Contentful Paint (LCP) metric in Chrome 83

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Apr 23, 2020, 4:06:26 PM4/23/20

to speed-metri...@chromium.org

Hi everyone,

Chrome 83 went into beta this week, and it contains two bug fixes to the Largest Contentful Paint (LCP) metric:

LCP was intended to stop recording at the first input or scroll on the entire page. We fixed a bug in Chrome 83 so that this logic now correctly accounts for inputs and scrolls in subframes.
When comparing image sizes, the visual size of a background image was previously computed as the size of its layout object.

Full details on the changes can be found here.

Please let me know if you have any questions.

Thanks,

Annie

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