There's still more to do on optimising rendering for pages with lots of images, see https://blog.mozilla.org/nnethercote/2013/06/15/memshrinks-2nd-birthday/ htt

There's still more to do on optimising rendering for pages with lots of images, see https://blog.mozilla.org/nnethercote/2013/06/15/memshrinks-2nd-birthday/ https://blog.mozilla.org/nnethercote/2013/06/15/memshrinks-2.... I've got my eye on https://bugzilla.mozilla.org/show_bug.cgi?id=847223 https://bugzilla.mozilla.org/show_bug.cgi?id=847223