http://zqktlwiuavvvqqt4ybvgvi7tyo4hjl5xgfuvpdf6otjiycgwqbym2qad.onion/wiki/1-3_Good_Firefox_Extensions_For_Web_Specialists_41521
SEO for Firefox ( http://tools.seobook.com/firefox/seo-for-firefox.html ) draws useful market research data straight into Google"s and Yahoo!"s serp"s, including Google PR, Age, links, Alexa rank, WHOIS, and more. It also provides a few helpful links to the the surface of the search pages, including the Overture View Bid instrument, and Google Trends, Google Traffic Estimator.