This is a great FireFox addon, https://addons.mozilla.org/en-US/firefo ... -continued. I can't believe not more people use this. Just try it and you will see how TOTALLY CREEPY all Web sites you visit are! You will see exactly how many other junk third party crap they want to load.
Just do it!
Example, see what other crap arstechnica.com want to load: