SEO for Firefox : Free SEO tool from seobook.com

Another useful Add-in for Firefox from seobook.com. You can see useful market research data for the page you are browsing or in yahoo/google search results. You can enable or disable the extension by a single click(icon at statusbar) when it is not in use. The extension provides below data : * PR: (Google PageRank) * Age: age pulled from Archive.org. * Links: (Yahoo! linkdomain) * .edu Link: (Yahoo! .edu linkdomain ) * .edu Page Link: (Yahoo! .edu link ) * .gov Link: (Yahoo! .gov linkdomain ) * Page Links: (Yahoo! link) * del.icio.us: number of times a URL has been bookmarked on Del.icio.us. * Technorati: an estimate of the total number of links to a site from blogs * Alexa: rank based on website traffic . * Cached: (Google site:) * dmoz: listings at dmoz.org * Bloglines: shows you how many people are subscribed to a particular blog via Bloglines. * dir.yahoo.com: is a site listed in the Yahoo! Directory or not. * WhoIs: makes it easy to look up the whois data for any site.