Media Alert: Comscore Releases Worldwide Ranking of Top Web Properties

RESTON, Va., October 26, 2006 – Comscore Networks, a leader in measuring the digital age, today reported the latest worldwide ranking of top Web properties, ranked by unique visitors. Of note were the gains experienced by Wikipedia Sites and Youtube.com during September. Both sites were up 12 percent versus August.

* Excludes traffic from public computers such as Internet cafes and access from mobile phones or PDAs.

About Comscore Networks

Comscore Networks is a global leader in measuring the digital age. This capability is based on a massive, global cross-section of more than 2 million consumers who have given Comscore permission to confidentially capture their browsing and transaction behavior, including online and offline purchasing. Comscore panelists also participate in survey research that captures and integrates their attitudes and intentions. Through its proprietary technology, Comscore measures what matters across a broad spectrum of behavior and attitudes. Comscore consultants apply this deep knowledge of customers and competitors to help clients design powerful marketing strategies and tactics that deliver superior ROI. Comscore services are used by global leaders such as AOL, Microsoft, Yahoo!, Verizon, Best Buy, The Newspaper Association of America, Tribune Interactive, ESPN, Fox Sports, Nestlé, MBNA, Universal McCann, the United States Postal Service, Merck and Expedia. For more information, please visit www.comscore.com.

Press
Bill Daddi
Daddi Brand Communications
646-370-1341
press@comscore.com