have used for years! Rated 4 out of 5 stars

Nice extension to have around, though some people don't know how to rate websites very accordingly. I only use it as a third person perspective if i am feeling skeptical about a website.

This review is for a previous version of the add-on (20120302). 

This is exactly what WOT's purpose is, to tell you how much other people trust websites so you can make more informed decisions. That doesn't mean you won't sometimes disagree with a reputation though. Here's the relevant FAQ section:

http://www.mywot.com/wiki/FAQ#Users_aren.27t_qualified_to_rate_sites