Check out www.websitegrader.com
"Website Grader is a tool that measures the marketing effectiveness of a website. It provides a score that incorporates things like website traffic, SEO, social popularity and other technical factors. It also provides some basic advice on how the website can be improved from a marketing perspective."
This site www.delaneykirk.com ranks 26,719 of the 1,638,268 websites that have been ranked so far. See...even college professors like to get good grades!