How to customize your web experience, a guide.
To modify websites content. Click on Pop-ups (newsletters, don't ask; behave!), remove ugly banners, automate thingies!
Greasemonkey is a user script manager for Firefox.
User scripts are small browser extensions that let you customize your web browsing experience.
Tell websites your a using another Device/Browser, randomly. Be anonymous!
User-Agent Switcher is a User-Agent changer extension for Firefox.
Tell websites your another person. Life is a series of spontaneous changes!
cookie-quick-manager is an addon to manage cookies on Firefox.