Firefox became much slower

[Jan Beich]

"Chris H" <bsd-lists at bsdforge.com> writes:

> On Wed, 1 Nov 2017 20:20:26 +0100 "Dr. Nikolaus Klepp" <dr.klepp at gmx.at> wrote
>
>> Am Mittwoch, 1. November 2017 schrieb Gleb Popov:
>> > On Wed, Nov 1, 2017 at 7:12 PM, Kevin Oberman <rkoberman at gmail.com> wrote:
>> > 
>> > > On Wed, Nov 1, 2017 at 8:15 AM, Andriy Gapon <avg at freebsd.org> wrote:
>> > >
>> > > > On 01/11/2017 14:18, Stefan Esser wrote:
>> > > > > uMatrix has lots of pre-configured rules (blocks trackers and known
>> > > > > malware sites), but I'm using it in conjunction with uBlock from the
>> > > > > same developers.
>> > > >
>> > > > I used to use uBlock but at the time I got an impression that the addon
>> > > > itself
>> > > > ate away resources and slowed down my browser.
>> > > > What's your impression of it at this time?
>> > > >
>> > > > Thank you.
>> > > > --
>> > > > Andriy Gapon
>> > >
>> > >
>> > > When I had firefox slow dramatically,  I learned that quite a few
>> > > extensions will disable multiprocessing. This can totally destroy the
>> > > performance.
>> > >
>> > > Use about:support ti see if Multiprocess Windows is enabled. If not,
>> > > disable add-ons until that changes.
>> 
>> You can add this boolean value in about:config to force "Multiprocess
>> Windows": 
>>
>> browser.tabs.remote.force-enable=true
> Excellent tip. Thanks for sharing it!
>
> And to think it was hiding in FF since 2015 [1]
>
> 1) https://asadotzler.com/2016/06/06/firefox-48-beta-release-and-e10s/

Not really, see

https://bugzilla.mozilla.org/show_bug.cgi?id=1348576
https://svnweb.freebsd.org/changeset/ports/436423