[taf2]

For me it just consistently hovers around 18% cpu. Chrome on the same site sites around 1%... could it be optimized for memory usage isn’t always better if it means more cpu usage?

[FactolSarin]

I'm at 2% right now typing this comment. Might be worth checking your add-ons.

[taf2]

I always run stock browsers. Usually in FF on OS X any kind of css animation is very cpu intensive.