Students can rate professors by state. [Description from dmoz]
This site reaches over 390K U.S. monthly people.The typical visitor shops at Staples and uses Shopping.com.
Index represents how a site's audience compares to the online internet population as a whole. An index of 100 indicates a site's audience is at parity with the total internet population.
The affinity numbers represent how likely a given visitor is to visit one of the listed sites or categories compared to the internet average. For example, an affinity number of 10.2 would say that a user on "X" website is 10.2 times more likely than the average internet visitor to visit the other site or category that is provided.
This website is Quantified, and the data displayed here is directly measured by Quantcast.
Addicts are the hardcore segment of a site's audience, who have 30 or more visits to that site in a month.
Regulars refers to a segment of a site's audience that frequent a site more than once per month but not as much as addicts who frequent a site 30 or more times per month.
Passers-by have a single visit over the course of a month.