I changed everything in the script :) And it's in your inbox now :))

Another highly recommendable exotic Firefox add on (here for visual filtering - but not code blocking like Karma Blocker):
YARIP - much better than RIP etc.
https://addons.mozilla.org/de/firefox/addon/7211

Yepp, when trying to optimize my browser speed I've been really shocked how many sites use all kind of Google related scripts. After an intense research I found this little gem for Firefox which keeps "all the bad" away and strongly boosts loading speed since blocking unwanted code:
Karma Blocker (highly configurable and very lean)
https://addons.mozilla.org/de/firefox/addon/5230