Comscore Releases Top Canadian Web Rankings for October

Canadians Continue to Gravitate Towards Facebook
Hockey Season Drives Traffic to NHL Network

TORONTO, CANADA, November 26, 2007 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its October rankings of the largest and fastest-growing Internet properties in Canada based on data from the Comscore World Metrix audience measurement service. Microsoft Sites ranked as the most-visited property, while the beginning of hockey season made NHL Network the top-gaining property for the month.

“Hockey season is always a popular time of year here in Canada, and we’re seeing that reflected in the surge of activity to NHL Network in October,” said Brent Bernie, president of Comscore MMX, Comscore Canada.

Top 10 Properties for October

Microsoft Sites captured the top position in Canada with 22.2 million visitors, followed closely by Google Sites with 22 million visitors. Yahoo! Sites, with 16.8 million visitors, ranked third for the month. Social networking site Facebook.com continued to grow, gaining 4 percent to reach 14.4 million of the 23.7 million Canadians online.

“Facebook has really surged in popularity among Canadians during the past year,” continued Mr. Bernie. “The site has grown from about 1 million visitors last October to 14 million visitors this year, positioning it as the top social networking site and fourth largest property overall in Canada.”

The largest increases in the top 10 were experienced by Wikipedia and Amazon Sites, both gaining 10 percent from the previous month.

*Ranking based on the top 100 Canadian properties in October 2007.
** Excludes traffic from public computers such as Internet cafes or access from mobile phones or PDAs.

Top-Gaining Properties for October

With excitement surrounding the start of the season, the NHL Network experienced a flood of traffic, growing 44 percent to nearly 4 million Internet visitors, making it the top-gaining property in October.

Propelled by growth at video site Crackle.com, Sony Online jumped 27 percent to 2.6 million visitors. Video-sharing site Dailymotion also saw gains, growing 14 percent to nearly 2 million visitors.

Glam Media, which has experienced strong growth throughout the year in both Canada and the U.S., continued its upward trend with a 19-percent increase to 3.3 million visitors.

*Ranking based on the top 100 Canadian properties in October 2007.
** Excludes traffic from public computers such as Internet cafes or access from mobile phones or PDAs.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world. 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 analysts 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 more than 800 clients, including global leaders such as AOL, Microsoft, Yahoo!, BBC, Carat, Cyworld, Deutsche Bank, France Telecom, Best Buy, The Newspaper Association of America, Financial Times, ESPN, Fox Sports, Nestlé, Starcom, Universal McCann, the United States Postal Service, Verizon, ViaMichelin, Merck and Expedia. For more information, please visit www.comscore.com

Contact:
Sarah Radwanick
Director, Regional Product Marketing
Comscore, Inc.
+44 (0) 20 7099 1784
worldpress@comscore.com