SEO for Firefox is something every webmaster shouldn’t be working without. What this plugin is will append various vital stats to search results on google. Things like PR, cache, supplemental, Alexa rank, etc., are easily exposed. I use it regularly to track crucial stats for my various sites; instead of some websites, most people may find this kind of similar info. One of the more critical recent additions is the supplemental indexing tracker. This plugin has helped me keep a close eye on the duplicate content some of my sites create and quickly eliminate it. This is a plugin I can’t live without now.