Here are some more tools that will help you analyze and optimize your site
UrlTrends: URL Trends is one of my favourite tool to analyze any site. Just enter the url and it will provide you with a trend report which includes link popularity, PageRank™, Alexa Rank, keywords that you can find the site by and more. And its all summurized in easy to understand charts and graphs.
SEO-Browser - SEO-Browser is another nice tool that lets you see how your site looks to a search engine. It strips your site to a bare minimum without any fancy stuff.
SEO Workers SEO Analysis Tool - This SEO Analysis Tool will help you analyze and measure the ranking potential of your web pages including meta tags, keyword density and load time.
Seekport Seekbot - Seekport Seekbot analyses your sites metadata and textual content. The quality of the element is not evaluated however
