[webkit-dev] WebKit position on Paint Timing / (first paint, first contentful paint)

Maciej Stachowiak mjs at apple.com
Wed Mar 4 18:21:30 PST 2020

> On Mar 3, 2020, at 12:44 AM, Noam Rosenthal <noam at webkit.org> wrote:
> On Tue, Mar 3, 2020 at 10:36 AM Ryosuke Niwa <rniwa at webkit.org <mailto:rniwa at webkit.org>> wrote:
> By the way, do you know what the status / interests at Mozilla? Given WebKit's painting / navigation behavior / implementation is still pretty close to Blink, it would be a good idea to reach out to Mozilla to make sure whatever in the spec is something they can also implement.
> Mozilla have a bug open on this: https://bugzilla.mozilla.org/show_bug.cgi?id=1518999 <https://bugzilla.mozilla.org/show_bug.cgi?id=1518999>, but unfortunately it is not prioritized.
> Since they're mainly a desktop browser web developers currently don't prioritize them for a performance metric. I hope that changes.

This explains a lot about the performance of desktop websites…

(Though in fairness, many mobile sites are not so great either).

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