Hey,
Navigation Timing API[1] is getting critical mass[2], and we've been using[3]
it for a while now to gather network information. The timeline one would
generate in Chrome Dev Tools, shows this information. But with this API one can
measure it out in the wild.
The specification process with W3C has now begun on the <s>Web Smoothness
API</s> Frame Timing API (initiated by Google). This will provide similar
abilities for other important part in perceived front-end performance:
Rendering.
Curious what our thoughts are. How beneficial this would be to improving our
ability to research user performance. If others have started looking into this.
Quick introduction from the HTTP 203 podcast:
https://www.youtube.com/watch?v=4zoC3eaa9z0#t=1m10s
Call to action:
http://updates.html5rocks.com/2014/11/frame-timing-api
Specification and polyfil
http://www.w3.org/TR/frame-timing/
https://github.com/w3c/frame-timing
https://github.com/GoogleChrome/frame-timing-polyfill
— Timo
[1] https://developer.mozilla.org/en-US/docs/Navigation_timing
http://kaaes.github.io/timing/
[2] http://caniuse.com/#feat=nav-timing
[3] https://www.mediawiki.org/wiki/Extension:NavigationTiming
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