i found these extensions today, can be very useful
SEO for Firefox
http://tools.seobook.com/firefox/seo-for-firefox.html
SEO for Firefox Features:
https://addons.mozilla.org/firefox/570/
SEOpen Features:
SEO for Firefox
http://tools.seobook.com/firefox/seo-for-firefox.html
SEO for Firefox Features:
- * PR: (Google PageRank) an estimated measure of global link authority
* Age: age pulled from Archive.org, shows the first time a page was indexed by Archive.org's spider. The theory is that if Archive.org found a page so did many of the major search engines.
* Links: (Yahoo! linkdomain) shows a rough estimate of the total number of links pointing at a domain
* .edu Link: (Yahoo! .edu linkdomain ) shows a rough estimate of the total number of .edu links pointing at a domain
* .edu Page Link: (Yahoo! .edu link ) shows a rough estimate of the total number of .edu links pointing at a specific page
* .gov Link: (Yahoo! .gov linkdomain ) shows a rough estimate of the total number of .gov links pointing at a domain
* Page Links: (Yahoo! link) shows a rough estimate of the total number of links pointing at a page
* del.icio.us: number of times a URL has been bookmarked on Del.icio.us. Heavily skewed toward techy / Web 2.0 stuff.
* Technorati: an estimate of the total number of links to a site from blogs
* Alexa: rank based on website traffic . Heavily skewed toward internet marketing and webmaster related resources.
* Cached: (Google site
shows how many pages from a site are indexed in Google
* dmoz: searches the Google Directory to count the total number of pages from a site that are listed in DMOZ, and the total number of pages listed in DMOZ that reference that URL.
* 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.
* Google Trends - shows historical search volume trends
* SEO Book Keyword Research Tool - cross references many popular keyword research tools
* Overture View Bid - shows Yahoo!'s top bid prices for a particular keyword
* Google Traffic Estimator - shows top bid estimates and click volume estimates associated with Google AdWords.
* Google Keyword Sandbox - Google's keyword research tool
https://addons.mozilla.org/firefox/570/
SEOpen Features:
- * Yahoo Backlinks
* Pages in Yahoo Index
* Google Backlinks
* Google Cache
* Pages in Google index
* Google Translate to English
* Google Related
* PageRank Check
* MSN Backlinks
* Pages in MSN Index
* Alexa Overview
* Alexa Traffic
* Alexa Related
* Alexa Backlinks
* "Mass Check" multiple sources at once
* Check DMOZ Inclusion
* Keyword Density
* Page Size Checker
* HTML Validator
* Server Header Viewer
* Wayback Machine
* Check robots.txt
* Whois Info
Planned for future versions:
* Yahoo & MSN Cache
* Spider Simulator and/or Text Browser view
* IP-based SEO tools
* Toolbar Option