I just joined Quantcast free service to checkout their services. I only added one of my blogs and it is yet to get any meaningful data from my site. (It is not a very busy site but I using it to verify accuracy of the services as I have other systems from Google to tiny startups providing similar services. I have looked at reports on sites that Quantcast has collected enough data and seem to be interesting. You can follow the link in the following News release by QuantCast.
San Francisco, CA - September 25, 2007 - Quantcast, the world's only open internet ratings service, today announced that it has launched a robust suite of media measurement services for publishers in its Quantified Publisher program. The program, which is free to join at Quantcast.com empowers publishers to demonstrate the unique value of their audiences by tagging their websites, videos, widgets and games for direct measurement.Available today, Quantcast's enhanced suite of free media measurement services includes:
- Tabbed Quantified Publisher Profiles for individual media properties including a rich traffic overview that provides greater depth and insight on key audience metrics.
- The Quantified Publisher Network View, providing measurement of unduplicated reach and aggregated traffic statistics as well as a single point of control for publishers with multiple sites and services.
- Secure Quantcast Measurement Tags to measure transactional pages on e-commerce sites of all kinds.
- Video and Widget Measurement Services to track impressions and interaction with Flash-based videos, widgets, games and more.
Pricing and Availability: Quantcast's enhanced suite of media measurement services is available free of charge to any web publisher, site or service that joins the free Quantified Publisher program http://www.quantcast.com/quantified-publisher.jsp.