[webkit-dev] Suggesting to enable paint timing by default

[Noam Rosenthal]

Following up on this.

> FOn Tue, May 12, 2020 at 10:28 AM Maciej Stachowiak <mjs at apple.com> wrote:
>
>>
>>
>> On May 11, 2020, at 9:53 PM, Noam Rosenthal <noam at webkit.org> wrote:
>>
>>
>>
>> On Tue, May 12, 2020 at 1:36 AM Maciej Stachowiak <mjs at apple.com> wrote:
>>
>>>
>>> I noticed from comments in one of the Radars that the patch may result
>>> in an additional “fake paint”, so it should probably be performance tested.
>>> Have you done any testing?
>>>
>> I've tested it locally, I haven't noticed any significant side effect,
>> because in complex situations the fake paint only happens once per page and
>> bails early once contentfulness is detected. but I can run any additional
>> test needed.
>>
>>
>>> We’ll likely want to A/B some of Apple’s page load speed benchmarks.
>>>
>> A/B testing load speed sounds sensible. How do we go about doing that?
>>
>>
>> Unfortunately our page load speed benchmarks are not public because they
>> incorporate captured page content, which we can’t freely redistribute.
>>
>> So, can someone else from Apple review that the code is mature enough for
this? Simon had reviewed the original patch. Maybe Zalan/Darin?

A helpful person from Apple may be able to set up an A/B test for this
>> patch.
>>
> What's required to ask for help from a helpful person at Apple? :)
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