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Re: [tor-bugs] #26473 [Applications/Tor Browser]: Tor Browser high CPU usage while browsing Facebook

#26473: Tor Browser high CPU usage while browsing Facebook
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 Reporter:  uzi                       |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  High                      |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by teor):

 Replying to [comment:4 cypherpunks]:
 > Replying to [comment:3 teor]:
 > > The safest security setting turns off JavaScript, but it also turns
 off a lot of optimisations. (Because optimisations are fingerprintable.)
 > Optimisations of JS (i.e. basically JIT) have nothing to do with that
 since JS itself is entirely blocked, so why am I getting 100% CPU usage in
 a simple forum on high security setting? (precision: while it's loading
 up, when the page finally loads up it becomes better)

 JavaScript isn't the only thing that browsers optimise.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26473#comment:6>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online

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