well scouser Keith might delete this post
I've been using this program for a while, it blocks a lot of and has to speed up your web browsing
http://www.ghostery.com/
Ghostery is a cost free privacy browser extension for Internet Explorer, Opera, Mozilla Firefox, Apple Safari, and Google Chrome owned by the privacy technology company Evidon. It enables its users to easily detect and control web bugs which are objects embedded in a web page, invisible to the user, that allow the collection of data on the user's browsing habits. Ghostery also has a privacy team that creates profiles of page elements and companies for educational purposes
http://en.wikipedia.org/wiki/Ghostery