Firefox Addons for Search Engine Optimization

• SEOpen - 23 different metrics from back links on Yahoo and Google to Archived pages, whois and checking robots.txt.


• SEO For Firefox -Aaron Wall’s clever and configurable tool with 13 different signals ranging from domain age and Page Rank to del.icio.us bookmark and .edu inbound links.


• yExplore - Thomas’ handy tool offering easy right click access to Yahoo Site Explorer info.


• Web Developer - Adds a menu and a toolbar to the browser with various web developer tools including the ability to disable JavaScript, images, and CSS to see what a page looks like in a text browser or for robots.


• SeoQuake - Interesting tool for analyzing search results and various parameters that may influence SEO. Work can be saved for future reference or comparison to subsequent measurements. Don’t overdo it or you’re in trouble.


• KGen -Keyword generator analyzes a page for keyword frequency and placement. Also offers transfer to clipboard for use when tagging bookmarks.


• Niche Watch Tool - Checks back links, indexed pages, keyword frequency and several other SEO signals.


• MetaTags - Offers a side bar menu showing a web page’s meta data, links, keyword frequency and others.


• Search Status - Highlights nofollow links, back links, indexed pages, Alexa and Compete rankings.


• Prefbar - Toggle JavaScript, Flash and images as well as spoof user agent.