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A comment on Firefox Private Browsing vs. Chrome Incognito: Which Is Faster?. Parent comment

Re:Firefox Private Browsing vs. Chrome Incognito: Which Is F... by maherbeg on Monday November 20, 2017 @10:54AM (#15740766)
What sites were you watching video on? I found the h264ify plugin to make a huge difference in performance and battery life watching YouTube in Firefox. I think non accelerated codecs get used otherwise.
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Re:Firefox Private Browsing vs. Chrome Incognito: Which Is F... by cpeterso on Monday November 20, 2017 @01:37PM (#15742034)
Here is the Firefox bug tracking high CPU usage when playing video on Mac. If you can reproduce high CPU on Mac, please share your Firefox's about:support information in the bug!

https://bugzilla.mozilla.org/show_bug.cgi?id=1418510

VP9 is disabled by default in Firefox on Mac because H.264 can be hardware-accelerated on Mac but VP9 can't. Firefox supports hardware accelerated VP9 on some Windows machines, though.

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Re:Firefox Private Browsing vs. Chrome Incognito: Which Is F... by clouddrover on Monday November 20, 2017 @10:13PM (#15745229)
> VP9 is disabled by default in Firefox on Mac

That's a setback for royalty-free media formats on the web. Is there a plan for VP9 to be enabled by default again in the future?

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