Firefox became much slower

[Chris H]

On Wed, 08 Nov 2017 01:26:51 +0100 Jan Beich <jbeich at FreeBSD.org> wrote

> "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
Hello, Jan.
It appears you're correct. The link I referenced above, lead me
to believe otherwise:
"E10S has been enabled for some portion of our Beta audience since
December of 2015 and we’ve had it enabled for half of our Beta
population for the last 6 weeks."

Thanks for the correction. :)

--Chris