As we all know that Firefox is the most popular and most downloadable web browser. Firefox has amazing collection of addon for everything you can expect. Here are some great SEO add-ons which will boost productivity for many SEO task.
1 Foxy SEO
Foxy SEO Tool is a Firefox addon toolbar that provides quick and easy access to a multitude of search engine functions such as Google Site, Yahoo! Site Explorer, Live Fromlinks. Also included are famous web traffic analysis sites such as Alexa, Compete, Quantcast, popular statistic aggregators like Quarkbase and WebSiteOutlook. You can check a site’s listing in important directories like Dmoz and Yahoo! Directory, buzzing Web 2.0 sites such as Technocrati, Wikipedia, Digg, Delicious and links to useful network functions like Whois, Geotool, Internet Archive, etc.
SEO Blogger allows you to find the most sought-after keywords for your subject without ever leaving your blog editing screen.
RankQuest SEO Toolbar provides quick access to more than 30 intuitive SEO tools. Alexa Rank and Page Rank provided by Alexa and Google respectively ensures the popularity of the site.
SEOpen Provides some basics tools to help for search engine optimization. Including google backlinks, yahoo backlinks, PageRank check, http header viewer, and more.
Niche SEO Research Tool provides you the technical info regarding competitor websites in serps.It gives you backlinks number, indexed pages, keyword occurences on the page, page rank.
Display the Google PageRank, Alexa rank, Compete ranking and SEOmoz Linkscape mozRank anywhere in your browser, along with fast keyword density analyser, keyword/nofollow highlighting, backward/related links, Alexa info and other SEO tools.
Flagfox addon displays a country flag depicting the location of the current website’s server and provides quick access to detailed location and webserver information.
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high performance web pages. YSlow is a Firefox add-on integrated with the Firebug web development tool.