[tbb-bugs] #16633 [Tor Browser]: Enable and isolate Firefox connection prediction

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jul 22 03:06:43 UTC 2015

#16633: Enable and isolate Firefox connection prediction
 Reporter:  mikeperry                            |          Owner:  tbb-
     Type:  enhancement                          |  team
 Priority:  major                                |         Status:  new
Component:  Tor Browser                          |      Milestone:
 Keywords:  tbb-usability-performance,           |        Version:
  performance                                    |  Actual Points:
Parent ID:                                       |         Points:
 In #16625, we found that Firefox's network prediction was partially
 disabled due to our use of SOCKS proxy settings, and also that it wasn't
 properly getting isolated in the cache or elsewhere.

 We should try to enable this, though, as it will likely represent a
 significant decrease in page load times. If we enable isolation, the only
 real privacy issue is prediction for link hover, and that can be easily
 disabled in Predictor::PredictForLink() (there already is a check to
 disable it for HTTPS links).

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/16633>
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