For anyone who is doing Search Engine Optimization (SEO), FireFox is always the preferred web browser.

The main reason for Firefox’s popularity is because of the large number of add ons and extensions written for the web browser.

In the SEO category, the are numerous powerful add ons that make research and analysis during your SEO campaign easier.

Some of the highly recommended add ons are:

1. SEOQuake
The primarily benefit of Seoquake is helping web masters to obtain and investigate many important SEO parameters of the internet project under study on the fly, save them for future work and compare them with the results.

It is a powerful and indispensable tool for analyzing optimization and promotion level of internet web-projects.

To download, you can visit SEOQuake SEO Extension

2. SearchStatus
The add on is able to 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.

It is another powerful and indispensable SEO add on for the Firefox browser.

To download, you can visit SearchStatus

3.Flagfox
Flagfox is an extension that shows a flag icon indicating the current website’s server location. It uses relatively little resources and works by accessing an IP address location database contained within the extension rather than relying on top-level-domain roots like “.com” or “.uk”.

Clicking the icon loads Geotool, which provides a map of the location as well as more detailed information such as the ISP, city, and local time. The context menu also provides quick access to information about the country of origin, as well as the ability to lookup the domain’s registrant via Whois.

To download, you can visit FlagFox

4. SEO Link Analysis
This add on enriches the link data in Google Webmaster Tools & Yahoo! Site Explorer by showing the PageRank of the linking page, the anchor text user and whether the link is nofollowed or not.

To download, you can visit SEO Link Analysis