Comscore Ranks Top Web Sites in U.K. for November

Amazon Sites Grows 13% to Reach Highest Ever U.K. Audience

LONDON, U.K., DECEMBER 20, 2007 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its report on the most visited and fastest growing Internet properties in the U.K. for November, based on data from the Comscore World Metrix audience measurement service.

Top 10 Properties for November

Google was the most visited property in November, with 29 million unique visitors age 15 or older, and reaching 89 percent of the total U.K. Internet audience. Google was followed by Microsoft Sites, which attracted 27.3 million unique visitors, an 84 percent reach. Online pure play retailer Amazon Sites was the fastest growing top ten property, increasing total traffic 13 percent to 16.2 million unique visitors – its highest ever U.K. audience.

Bob Ivins, EVP of European Markets for Comscore said: “Online retail has clearly been the fastest growing sector in the U.K. this November, and we are seeing this popularity across the board, from online pure play retailers like Amazon Sites, to multi-channel high street stores like John Lewis and Debenhams.”

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

Ten Fastest Growing Properties for November

With the Christmas shopping season well underway in November, the top ten fastest growing U.K. properties was comprised entirely of online retail sites, of which all were multi-channel high-street stores. The largest increases were seen at two toys and games sites. Game.co.uk was the fastest growing retail property, up 52 percent to 3.5 million unique visitors. It was joined by Toysrus Sites, a multi-channel toy retailer selling computer games and consoles as well as more traditional toys, which grew 47 percent to 3.4 million.

John Lewis Partnership was the third fastest growing retail property in the U.K. in November, up 39 percent to 3.4 million unique visitors. It was joined by a number of other high-street retail stores, including Woolworths Group, which was up 37 percent to nearly four million unique visitors, Dixons Stores Group, up 28 percent to 6.8 million, and Debenhams, up 26 percent to 2.7 million unique visitors.

* 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

Ayaan Mohamud
Comscore, Inc.
+ 44 (0) 207-099-1775
worldpress@comscore.com