Several Leading Online Advertising Networks Reach More than Half of the Total German Internet Audience

Google Ad Network Has Highest Reach, Followed by TradeDoubler

LONDON, U.K., November 18, 2009 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released a report showing the online audience reach of a selection of leading advertising networks in Germany, based on data from the Comscore World Metrix service. Comscore’s reporting of advertising networks is a unique capability in the marketplace because it represents the actual reach of online ads delivered by the various networks and requires the participation of the networks to enable Comscore to track their ad delivery capabilities.

Google Ad Network Ranks as Most Visited Advertising Network in Germany
Google Ad Network was the most popular advertising network in Germany in September with 34.6 million visitors, reaching 78.4 percent of the total German online population, followed by TradeDoubler with 32.2 million visitors (73.0 percent reach). AOL Advertising ranked third with 28.6 million visitors, while ValueClick Media EU (vcmedia) (26.8 million visitors) and AdScale (26.7 million visitors) rounded out the top five.

Leading Advertising Networks*
Ranked by total German Visitors (000)**
Total Germany – Age 15+, Home & Work Locations
September 2009
Source: Comscore World Metrix
Media Total Unique Visitors (000) % Reach
Total Internet : Total Audience 44,099 100.0%
 Google Ad Network 34,588 78.4%
 TradeDoubler 32,196 73.0%
 AOL Advertising 28,605 64.9%
 ValueClick Media EU (vcmedia) 26,769 60.7%
 AdScale 26,668 60.5%
 Adconion Media Group 23,810 54.0%
 Microsoft Media Network 23,593 53.5%
 Yahoo! Network 20,505 46.5%
 Vibrant Media EU 19,074 43.3%
 Specific Media 18,654 42.3%

*Leading Advertising Networks ranking includes only participating networks
**Excludes traffic from public computers such as Internet cafes or access from mobile phones or PDAs.

“Many of the leading ad networks can now reach more than half of the online population in Germany, demonstrating their ability to deliver on aggressive campaign reach objectives,” said Mike Read, SVP and managing director, Comscore Europe. “But they are also helping improve the efficient allocation of ad campaigns to publisher sites through demographic and content-specific targeting. As this burgeoning industry evolves, increased site content transparency will be essential for continued growth.”

For advertising networks interested in being tracked by Comscore, please contact

About Comscore
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Ayaan Mohamud
Comscore, Inc.
+ 44 (0) 207-099-1775