Firefox does something else stupid though: If your browser crashes/freezes (which, because no multi-process, 99.999% of the time is caused by bad JavaScript on

Firefox does something else stupid though: If your browser crashes/freezes (which, because no multi-process, 99.999% of the time is caused by bad JavaScript on a given page) it does the helpful thing of restoring your tabs. So now it's a race to close the offending tab before it can fully load.