can someone suggest why firefox is so &$*&^%*#^&%* slow?

[Kevin Martin]

On 09/24/2014 09:44 AM, Robert P. J. Day wrote:
> 
>   i am at my wit's end with firefox on my fedora rawhide system -- to
> say it's nad-grindingly slow would be charitable. just now, i tried
> clicking on another tab ... some 30 seconds later, i am still waiting
> for the tab to change, oh, wait, there it is.
> 
>   watching any sort of youtube video is excruciating ... while audio
> is typically, i will frequently get *maybe* one frame change a second,
> i kid you not. i frequently get javascripts that are not responding,
> and i'm asked whether i want to wait for them.
> 
>   is there *something* i can do to debug this? what firefox
> configuration settings should i be looking at? i'm willing to try
> anything because, at this point, firefox is utterly unusable. even
> something as simple as scrolling in a window is painfully slow.
> 
>   oh, and i'm on a quad core i7, so i'm pretty sure horsepower isn't
> the problem.
> 
> rday
> 
I see this happen when Firefox starts eating memory.  "top" will show Firefox using upwards of a GB of ram...I restart it and then
it's good to go for a couple of days.

Kevin