Yes, extensions named 'Flashblock' are pretty universally mediocre and don't actually keep Flash from crashing your browser — they just keep it from being displ

Yes, extensions named 'Flashblock' are pretty universally mediocre and don't actually keep Flash from crashing your browser — they just keep it from being displayed. ClickToFlash for native Webkit views on OS X actually blocks Flash for real — it's a native Webkit plugin that registers for Flash's primary mimetype and preempts it. When you selectively enable a flash embed, it replaces itself with Adobe's NPAPI plugin.