[tor-bugs] #3978 [Tor Browser]: Better TBB about:config settings(?); re: browsing and loading speed, etc.

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#3978: Better TBB about:config settings(?); re: browsing and loading speed, etc.
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 Reporter:  joyton       |          Owner:  mikeperry                    
     Type:  enhancement  |         Status:  new                          
 Priority:  normal       |      Milestone:  TorBrowserBundle 2.3.x-stable
Component:  Tor Browser  |        Version:                               
 Keywords:               |         Parent:                               
   Points:               |   Actualpoints:                               
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Comment(by joyton):

 The two entries I think should be most heavily looked into (with respect
 to ideal setting for Tor) are: (1) network.http.keep-alive.timeout*, for
 some reason I think I may make linkability easier with a high setting of
 600 seconds; and (2) nglayout.initialpaint.delay**, which may provide
 further speed improvements (re total page load time) with higher setting
 than 500 ms.

 In my expedience with Firefox and Tor over the ~10 years (has it been that
 long?!) on average initial paint (is that the correct term?) takes longer
 than 250 ms, which is the default for Firefox v.3.x-6.x. Increasing the
 time to 500 ms didn't make for noticeably longer time to first paint, but
 did make for noticeably faster total page load time. At least for my older
 low RAM computer and high speed (6MB/s up) asymmetric Internet connection.


 * "HTTP is the application-layer protocol that most web pages are
 transferred with. HTTP keep-alive connections can be re-used for multiple
 requests, as opposed to non-keep-alive connections, which are limited to
 one request. Using keep-alive connections improves performance. This
 preference determines how long keep-alive connections are kept alive."
 http://kb.mozillazine.org/Network.http.keep-alive.timeout


 ** "Mozilla applications render web pages incrementally - they display
 what's been received of a page before the entire page has been downloaded.
 Since the start of a web page normally doesn't have much useful
 information to display, Mozilla applications will wait a short interval
 before first rendering a page. This preference controls that interval."
 http://kb.mozillazine.org/Nglayout.initialpaint.delay

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/3978#comment:3>
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