You can use Watchfire® WebXACT™ to scan and analyze any web page for quality, accessibility, and privacy issues.
How findable is your site? This will scan your meta data, site links, keyword density and a lot more. Running a site through a Spider Engine can tell you a lot about the information you're really presenting to your users.
Enter your URL and test your page with Sim Spider:
Go straight to the Keyword Density analyzer.