Mozilla really has to stop this pre-fetch obsession.  It was a bad idea when they started it and, given how much malware there is and how many malsites there are, prefetch has become indefensible.  I wrote an article a while ago pointing out a Google search plus Firefox prefetch interaction: <a href="http://www.win-vector.com/blog/2009/07/should-your-mom-use-google-search/" rel="nofollow">http://www.win-vector.com/blog/2009/07/should-your-mom-use-g...</a> .