From: http://blogunion.org/seo/16-firefox-seo-tools-every-webmaster-should-know.html
Like WordPress, Firefox has a limited number of plug-ins and extensions. Someone can help you implement the functions you can think. The following are 16 Firefox Seo plug-ins. You are welcome to use them.
1. Seo for Firefox
Powerful functions. It can display pr, website age, external links, Alexa, CERNET links, and a lot of Seo-related information.
Seo for FirefoxIt may be the most powerful Firefox Seo plug-in, produced by seobook. Seo for Firefox features are not powerful. After Seo for Firefox is installed, the page will be displayed, showing a lot of information about the website, such as the PR value and the number of favorites on delicious, dozens of parameters such as Technorati reverse link, Alexa ranking, and whois information.
2. seoquake
Seoquake was once called the perfect Seo tool by Chinese webmasters and has powerful functions. After installing the seoquake Firefox extension, you can view the number of search engines such as Google PR, Google, Yahoo, and MSN, as well as their reverse links. It is highly customizable.
3. Seo Link Analysis
Seo analysis tool Firefox Seo plug-in can be used in your Google toolkit and Yahoo! When using site explorer, enrich the link information. For example, the anchor text can be displayed. The reverse link does not exist because the nofollow attribute does not exist.
4. Rank checker
Rank checker is another Firefox Seo tool produced by seobook. This Seo plug-in can save and track the ranking of any web page in Google, Yahoo, and live search engines. Because these results are stored on the local computer, you do not have to worry about privacy and other issues.
5. linkdiagnosis Firefox extension
The linkdiagnosis Firefox extension allows the webmaster to view the PR value of each reverse link, the use of the reverse link, and the most used link.
6. Smart PageRank
Smart PageRank is a very simple but powerful Firefox Seo tool that can display the current prvalue, Alexa ranking, whois information, reverse link PR, and so on your webpage.
7. rankquest Seo Toolbar
Rankquest Seo toolbar Firefox extension gives you a clear picture of your website's situation in over 30 SEO tools.
8. Quirk search status
Searchstatus Firefox extension can display a lot of Seo-related data on Firefox, such as Google PR value, Alexa ranking, compete ranking, Moz ranking, whois information, robos.txt URL, sitemap. xml url.
9. html validator
The HTML validator plug-in is not only very useful for web designers and developers, but also a very useful Seo tool. HTML validator Firefox extension allows you to detect htmlCodeTo improve the ranking of websites in the search engine.
10. seopen
Provides provides a lot of data related to search engine optimization, such as the number of reverse links in Google, the number of reverse links in Yahoo, Google PageRank queries, and HTTP header detection.
11. Google Global Firefox extension
Google Global Firefox extension this Firefox extension allows you to select Google natural search results and paid search results from different countries, which is very useful for the bidding ranking of search engines.
12. Foxy Seo Tool
Foxy Seo tool is a free and open-source Firefox Seo plug-in. website owners can use foxy Seo tool for network traffic and PAGE analysis.
13. socialphile
The socialphile Firefox extension allows the website owner to search for the results of social news websites. Meanwhile, the Webmaster can directly submit the search results to social news websites. Currently, only digg.com is supported, developers said they would support more social news media websites.
14. kgen
The kgen Firefox Seo extension allows you to quickly guide the keyword with the highest density on a webpage. For the website owner, you can coordinate the keyword density policy of the entire webpage, or it is very useful to conduct keyword density analysis with competitors' webpages.
15. Niche watch Tool
The Niche watch Firefox Seo plug-in can display the number of reverse links of a domain name, the number of search engines crawled, and the page rank value.
16. User Agent switcher
User Agent switcher, a very useful Firefox Seo extension, used to disguise the identification of browsers and operating systems.