A ton of SEO Specialists use FireFox, the top competing web browser to Internet Explorer. That’s why we have organized a ton of amazing free FireFox Extensions for you to use.

We used Site Reference as a source for this article, but we have added a few extra tools and extensions from FireFox as well!

AdSense Preview This extension is perfect for web designers. It let’s you preview the Google Ads, just in case you forget!

CodeTCH Another extension used by web designers. It lets you have a feel of DreamWeaver right inside FireFox.

FireBug A debugger used by coders for AJAX, CSS, HTML and JavaScript which includes an error console and command line.

FireFox SEO An amazing SEO Plugin for FireFox developed by Aaron Wall which will help SEO Specialists by doing all of the following:

• 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.

FireFTP An FTP Client integrated with FireFox to help make it easier to upload and download files from your server.

HTML Validator Let’s you know which websites use correct coding according to W3C HTML Coding Standards.

Internet Explorer (IE) Tab A few websites (including Modern SEO) has a problem with Internet Explorer according to how tables and such are aligned. But nobody wants to fire up Internet Explorer all the time just to check. That’s why this FireFox extension will help you swith with ease!

NikkelWHOIS View the WHOIS information simply by clicking on this button.

Professor X It will display the HTML Header Information simply by sliding down. This is useful to view the Page Title, Meta Tags and such.

Screen Grabber It will take a screenshot of the webpage and automatically save it on your computer quickly without opening up any image photos.

SEO Links When enabled, roll over any link and instantly view the linked website’s SEO Stats by displaying how many links to that page has been indexed by Google, Yahoo! and MSN.

SEO Toolbar One of the very few FireFox Toolbars which displays Alexa Ranking and a few other SEO-related information. Server Spy It will display the HTTP Server (Apach, IIS and such) in the bottom left-hand corner.

Server Switcher If you own a web hosting company or tons of servers, you can easily switch between them using this FireFox Plugin.

Windows Resizer It will resize your FireFox Browser Window to the default or optimal size fit for your screen resolution.

Related Articles:

• Google Pack Released!!