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Re: [NavigationTiming2] Comments and questions about the Navigation Timing 2 draft

From: Ilya Grigorik <igrigorik@google.com>
Date: Wed, 10 Oct 2012 16:32:32 -0700
Message-ID: <CADXXVKo_J7-Wnq5G0acCLkk7QmXT=NVZXshi054ty48oG_Yrqg@mail.gmail.com>
To: "McCall, Mike" <mmccall@akamai.com>
Cc: public-web-perf <public-web-perf@w3.org>
> Also, I noticed that the concept of first paint/pixel is omitted in this
> draft.  While IE supports it with a vendor prefix, and Chrome exposes it
> through their window.chrome.loadTimes() object (not sure if other browsers
> expose it), it would be good if it were included as part of the official
> spec so there was a browser-independent place to gather this data.  Some
> 3rd-party testing vendors including webpagetest.org, report some concept
> of the time the browser began rendering the page, and I think it would be
> valuable here too.

+1 for exposing time to first paint in NavTiming!
Received on Wednesday, 10 October 2012 23:33:40 UTC

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