SEO Tools
The SEO company instantPOSITION have a number of free-to-use tools you can use to check SEO of your site including:
SEO Tester
The mini SEO Tester will check your server response, title tag, meta description tag and keywords.
Gives you a score and summary of the optimization level of your page.Links Checker
Verify your links and the anchor text used for any page.
Most of my sites get pretty low scores !
Maybe I should follow their suggestions ? or try some other tools from
http://tools.seobook.com/ such as http://www.websitegrader.com/