IE9 has had tracking protection since early betas. The built in tracking protection detection searches for scripts and images which are embedded on multiple web sites. Whilst this is a good indicator of transparent gifs and advertising scripts which may drop tracking cookies it also catches content delivery networks which host useful scripts like jquery. It has always been possible to switch from automatic blocking to manual blocking and edit the detected list to white list such domains or scripts but the Release Candidate of IE9 now allows publication of Tracking Protection Lists. So, I’ve created a TPL...