Re: [EXTERNAL] Re: Call for Consensus: Incubations adoption

Thanks Noam!

On Wed, Aug 26, 2020 at 4:07 PM Noam Helfman <noamh@microsoft.com> wrote:

> Microsoft supports most of the proposals (event timing, element timing,
> isInputPending, layout instability) except some concern over LCP.
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> Quoting an engineer working on large web apps:
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> “I think this metric can be misleading. Although there was a switch from
> FMP to LCP (Largest), we should be careful assuming that the largest
> element is the most important to the user when measuring user experience. I
> might be wrong, but to me it feels like this metric was designed to support
> automated tools like LightHouse, without any developers’ annotations. “
>

Avoiding developer annotations was indeed a goal (with Element Timing
providing the annotated potentially-more-precise alternative).
Maybe we should continue this discussion on an issue?


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> *From:* Yoav Weiss <yoav@yoav.ws>
> *Sent:* Tuesday, August 18, 2020 7:34 AM
> *To:* Benjamin De Kosnik <bdekoz@mozilla.com>
> *Cc:* Ryosuke Niwa <rniwa@apple.com>; public-web-perf <
> public-web-perf@w3.org>; Nic Jansma <nic@nicj.net>; Philippe Le Hégaret <
> plh@w3.org>; Ilya Grigorik <igrigorik@google.com>
> *Subject:* [EXTERNAL] Re: Call for Consensus: Incubations adoption
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> On Tue, Aug 18, 2020 at 1:29 AM Benjamin De Kosnik <bdekoz@mozilla.com>
> wrote:
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> Mozilla is interested in prototyping layout instability, but is concerned
> about the potential overhead in making this a part of a standard and
> required for every page load.
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> Is the concern around implementation overhead, due to buffering?
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> Implementation overhead, additional traversing of paint trees or marking
> items, buffering, etc. We'll know soon enough, and then report back.
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> To be clear, the CFC is about whether this is a draft the WG wants to
> adopt as a Working Draft, not whether this is e.g. ready to advance in the
> standards track beyond it.
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> The question is, do we want the exploration to continue to happen in the
> WICG for now, or move to the WG?
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> Seems like a great first topic for the next call.
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> Great, I'll add it then! :)
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> best,
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> -benjamin
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