firefox CPU usage

[Art Alexion]

On Tuesday 07 October 2008 4:24:54 am Myriam Schweingruber wrote:
> On Mon, Oct 6, 2008 at 4:56 PM, Steve Grace <sgrace at pobox.com> wrote:
> > On Fri, 2008-10-03 at 15:47 +0200, Gianluca Cerminara wrote:
> >>       I'm running 8.04 with the latest greatest firefox and I notice
> >> that the browser is always at the top of the list for CPU usage....any
> >> suggestion about how to avoid it?
> >> This is particularly annoying especially when running on battery.
> >
> > To find out if it's an add-on causing the problem, start Firefox in safe
> > mode with add-ons disabled. From a terminal, enter "firefox
> > --safe-mode".
> >
> > Also, could it be a problem with a particular site? I've seen
> > poorly-written advertising banners use all available CPU.
>
> Then use add-block.
>
> Firefox also uses a lot of CPU here on my old laptop. I try not to use
> too many extensions, they usually eat a lot of power too.
> I minimised my extensions to add-block and no-scripts, which tunes
> down the CPU usage. Especially no-scripts is great, my CPU load for
> Firefox 3.0.3 is below that of the X server and stays at about an
> average 10%, with about 10 open tabs.
> Also avoid automatic tab reloads, this is very power consuming.

Flashblock solves the problem quite nicely for me, and is a lot less 
cumbersome to use than no-script.
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