SEO is one of the many that benefited on this. Today, there are a abundance of extensions and add-ons for Mozilla Firefox that is made specifically for the purpose of SEO and internet marketing.

#1 SEO for Firefox

According to their site, there are at the moment over 130,000 webmasters who practice SEO for Firefox for their SEO campaigns. This is owing to of the design of SEO for Firefox to grab every, single, counsel that can be found on a website. In addition to pulling in useful marketing data, this tool also provides links to the data sources so users can dig deeper into the data.

Here are the features that are commonly found in SEO for Firefox:

- PR- the popular Google PageRank

- Age- the age of the website from when it was first indexed by Archive.org

- Links- Yahoo! Linkdomain that shows the total number of links pointing at a domain

- .edu Link- Yahoo! .edu linkdomain that shows the total number of .edu links pointing at a domain

- .edu Page Link- Yahoo! .edu link that shows the total number of .edu links pointing at a specific page

- .gov Link- Yahoo! .gov linkdomain that shows the total number of .gov links pointing at a domain

- Page Links- Yahoo! Link that shows the total number of links pointing at a page

- del.icio.us-  the number of times the site was bookmarked

- Technorati- the number of links to a site from blogs

- Alexa- the website’s traffic

- Cached- shows the number of pages indexed in Google

- DMOZ- counts the total number of pages listed in DMOZ and the total number of pages listed in DMOZ that reference that URL.

- Bloglines- shows the number of people subscribed to a particular blog via Bloglines.

- dir.yahoo.com

- WhoIs- makes it easy to look up the whois data for any site.

With this complete information, webmasters could easy maintain and monitor their site, that is if it still fares up pretty well with competition or it might need more work.

#2 SEO Quake

SEO Quake is a powerful tool for Mozilla Firefox and Internet Explorer, aimed at helping web masters who deal with search engine optimization and internet promotion of web sites. SEO Quake allows user to obtain and investigate many valuable SEO parameters of the internet project under study on the fly.

Features that are commonly found on SEO Quake are:

- PR for Google PageRank

- Google Index

- Yahoo! Links

- Yahoo! Link Domain

- MSN Index

- Alexa Rank

- WebArchive Age

- Del.Icio.Us Index

- WhoIs

- Page Source

- Robots.txt

- Sitemap

- Links for Internal Links and External Links

- Keyword Density

The beneficial tool about SEO Quake is that the toolbar is found directly on top of the page, not on the toolbar of the browser so as to avoid distorting the main phase. It’s a cleverly designed transparent HTML block that normally appears minimized on upper-left corner of every period you load. Clicking on the maximize icon expands the bar displaying all the parameters. All the info displayed is in a short summarized format and individual items can be clicked on for detailed results through the corresponding Search Engine.

#3 SEOpen

SEOpen is one of the many extensions or add-ons that are always present in a webmaster’s arsenal. Many consider that SEOpen is one of the most useful Firefox extensions ever developed, mainly since of its many benefits for their users. One of which is assistance for analyzing backlinks.

Though it is easy to type in “link:http:domain.com” in the search engine box, SEOpen makes this a quantity easier by providing a convenient method for analyzing backlinks on all search engines. however not just backlinks, all features are available by right-clicking on an open area of a web page, or by using the included toolbar.

Features:

- Yahoo Backlinks

- Pages in Yahoo Index

- Yahoo Domain links

- Google Backlinks

- Google Cache

- Pages in Google index

- Google Translate to English

- Google Related

- PageRank Checker

- MSN Backlinks

- Pages in MSN Index

- MSN Domain links

- Alexa Overview

- Alexa Traffic

- Alexa Related

- Alexa Backlinks

- “Mass Check” multiple sources at once for backlinks, indexed, and domain links

- Check DMOZ Inclusion

- Link analyzer

- Keyword Density

- Page Size Checker

- HTML Validator

- Server Header Viewer

- Archives

- Check robots.txt

- Whois Info

Installing SEOpen is also as easy as it is used. Just download the add-on, and all will be ready for handle. Just don’t forget to choose the version that is compatible with the version of Firefox. Currently, SEOpen is updated to be compatible for operate in Mozilla Firefox 3. 5.

Plans are also underway for future versions of SEOpen that may include:

- Yahoo & MSN Cache

- Spider Simulator and/or Text Browser view

- IP-based SEO tools

- Toolbar Option