Vasco a.k.a. SEOz87 has gathered together 8 Must Have FireFox Addons For SEO.
If you’re serious about Search Engine Optimization, then it pays to have these Firefox extensions in your SEO toolbox. Here are three extensions that I’m going to test drive:
The Rankquest SEO Toolbar
The Rankquest SEO Toolbar provides you quick access to more than 30 intuitive SEO tools. Once you download and install the SEO Toolbar you are only one or two clicks away from carrying out most of your day to day SEO operations.
SEO for Firefox
This tool is unique in that it shows SEO data points right in the SERPs! That is very, very cool. Here is a list of what it gathers:
Google PageRank, Yahoo! linkdomain, Yahoo! .edu linkdomain, Yahoo! .edu link, Yahoo! .gov linkdomain, Yahoo! link, del.icio.us bookmarks, Technorati Links, Alexa rank, Google Pages indexed, Cached Page, dmoz link, Bloglines subscriber, Yahoo directory Listing, WhoIs Data.
It also places extra links at the top of the SERP for the following:
Google Trends, SEO Book Keyword Research Tool, Overture View Bid, Google Traffic Estimator, Google Keyword Sandbox.
Check out the other five available Firefox extension for searching, browsing, and comparing at http://seoz.wordpress.com/.