I'm surprised by the responsiveness claims because my ancient Windows PC runs FF superbly. I think Win10+FF is already more responsive now than it has ever been.
I am also using Ghostery, however, with virtually everything blocked. It wasn't my intent to block ads, but that's mostly how it works out.
It depends on operating system. For instance on OSX Yosemite Firefox is sluggish, yet on Windows 10 it's fast.
People should really mention what operating system they're running when they say "x is slow"
I am also using Ghostery, however, with virtually everything blocked. It wasn't my intent to block ads, but that's mostly how it works out.