This isn't news. Google will add a link tag and prefetch directive to links that it's confident you'll click on. There's a greasemonkey script that will identif

This isn't news. Google will add a link tag and prefetch directive to links that it's confident you'll click on. There's a greasemonkey script that will identify prefetched resources: http://userscripts.org/scripts/show/38841 http://userscripts.org/scripts/show/38841