Search Engine Optimization Tool
http://www.instantposition.com/seo_doctor.cfm
This is a tool with a lot of power. It tests the performance of a web site by analyzing a page by important criteria such as title and content. Then it ranks the page against the criteria that the top search engines use. And as if that isnt enough, it also provides SEO advice to improve your overall ranking. The report it puts out is well laid out and easy to read.