requestAnimationFrame rate for background tabs and offscreen instances

Jet Villegas <[email protected]>
Newsgroups gmane.comp.mozilla.devel.layout
Message-ID <CA+3pDC+RD8mQPD5UtD8xtT0Bf=-cd1NNSPmoPVbuWLaTaLOJ0Q@mail.gmail.com>
I met with some Chromium engineers over dinner last week and talked about
how Blink throttles rAF on background tabs to zero FPS, and that they're
also working on setting off-screen iframes to zero FPS. I believe we
currently throttle to 1 FPS for off-screen and background tabs.

Should we go to zero as well?

--Jet
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