Free SEO Toolbar to check page rank and all SEO tools

Website health analyzer tool called PageBoss.

This tools help you to find all this details:

- Checks Google Page Rank
- Checks the number of back links
- Checks the number of indexed pages
- Checks for Google directory presence
- Checks for Google Trends presence
- Checks whether Google Analytics implemented or not
- Yahoo back links, Indexed pages, Directory and Buzz
- MSN Live back links and indexed pages
- All the Alexa stats including ranks, page load time, popular regions etc
- DMOZ records
- Technorati Ranks and Back links
- Delicious submissions, Quantcast
- W3C Validation
- Twitter links data and
- Wayback Machine data

And though these data are available on other SEO tools like the SEO Quake plugin for firefox and also SEO for firefox .

Try it out here.