WebSiteGrader is pretty handy
This is a great site for getting the measure of your site via a series of very common metrics all in one place. What I really like, is that WebSiteGrader red flags omissions in your page content and design.
If covers: google, alexa, technorati, yahoo, delicious
See it here: http://www.websitegrader.com/
Seen via Social Media Today