Please ignore previous comment - it turns out that those versions are equally affected, including firefox 4.0 beta. And it seems the problem is made much worse when the graphics card is under load from some other application doing 3D stuff...
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/223238 Title: Extremely slow Ajax/Javascript/CSS performance in Firefox 3 using non-free nvidia-glx-new -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs