any advice to fix firefox being excruciatingly slooooooooow?

[drago01]

On Sat, Mar 29, 2014 at 3:28 PM, Tom London <selinux at gmail.com> wrote:
> On Sat, Mar 29, 2014 at 1:33 AM, Robert P. J. Day <rpjday at crashcourse.ca>
> wrote:
>>
>>
>>   since upgrading to rawhide, numerous operations in firefox are just
>> glacially slow -- playing videos results in jerky motion, scrolling
>> has a significant time lag, even typing in a search term in youtube
>> might take several *seconds* before the first letters i typed even
>> display.
>>
>>   i've gone into "about:config" and turned off several features but
>> that hasn't helped noticeably. anyone else running across this? any
>> simple advice?
>>
>> rday
>
>
> You running firefox-28.0.[123]?
>
> I noticed that xulrunner-28.0.1.fc21 "failed to build".
>
> Running latest firefox with older xulrunner spews my journal, etc.

Firefox no longer needs xulrunner.