Yahoo! Attracts More than Half of All Searches Conducted in Japan in January 2009

January Marks Record Month for Search Volume in Japan with 6.8 Billion Searches, Up 9 Percent Versus Year Ago

TOKYO, Japan, March 10, 2009 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its ranking of the top search properties in Japan based on data from the Comscore qSearch service. In January, 6.8 billion searches were conducted in Japan, representing a 9-percent increase versus year ago and the highest monthly search volume on record.

“2008 was another year of very solid growth in the search market in Japan,” said Maru Sato, managing director of Comscore Japan. “Home to the third largest Internet population in the world, Japan represents a valuable market for search engines. It is also one of the more competitive search markets, with two large companies, Yahoo! and Google, each controlling a significant share of the market.”

Yahoo! Sites Leads Search Market in Japan

Yahoo! Sites led the search ranking in Japan with 3.5 billion searches in January 2009, up 13 percent from the previous year, followed by Google Sites with 2.6 billion searches (up 5 percent) and Rakuten Inc. with 153 million searches (up 38 percent). Excite Japan had the strongest growth of any search property in the top ten, growing 362 percent versus year ago to 52 million searches.

Top Search Properties in Japan by Search Query Volume
January 2009 vs. January 2008
Total Japan Internet Audience*, Age 15+ - Home & Work Locations
Source: Comscore qSearch

Searches (MM)***

Jan-08

Jan-09

% Change

Total Internet

6,219

6,795

9

Yahoo! Sites

3,096

3,489

13

Google Sites**

2,481

2,596

5

Rakuten Inc

111

153

38

Microsoft Sites

119

113

-5

NTT Group

93

103

11

Amazon Sites

80

69

-14

Excite Japan

11

52

362

NEC Corporation

58

44

-25

MIXI, Inc.

40

23

-42

Nifty Corporation

19

22

14

*Excludes searches from public computers such as Internet cafes or access from mobile phones or PDAs.
**Google Sites includes searches from YouTube.com
***The sum of distinct searches. Searches with the same search term by the same user at the same entity in consecutive sequence are counted as one search, regardless of the number of search result pages presented.

Yahoo! Sites Attracts More than Half of All Searches in Japan

In January, searchers in Japan conducted an average of 100 searches per searcher during the month. Yahoo! Sites captured 51 percent of all search queries, followed by Google Sites with 38 percent and Rakuten Inc. with 2 percent.

Yahoo! Sites had the highest frequency of searches per searcher at 62, followed by Google Sites at 55 searches per searcher. Other search properties in the top ten with relatively high search engagement included NEC Corporation (24 searches per searcher), Excite Japan (20 searches per searcher), and Nifty Corporation (13 searches per searcher).

Top Search Properties in Japan Based on Share of Search Queries
January 2009
Total Japan Internet Audience*, Age 15+ - Home & Work Locations
Source: Comscore qSearch

Share of Searches

Searches Per Searcher

Total Internet

100.0

100.5

Yahoo! Sites

51.3

61.9

Google Sites**

38.2

55.4

Rakuten Inc

2.2

8.5

Microsoft Sites

1.7

9.3

NTT Group

1.5

12.0

Amazon Sites

1.0

6.4

Excite Japan

0.8

19.8

NEC Corporation

0.7

23.7

MIXI, Inc.

0.3

6.1

Nifty Corporation

0.3

13.3

*Excludes searches from public computers such as Internet cafes or access from mobile phones or PDAs.
**Google Sites includes searches from YouTube.com

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital .marketing intelligence. For more information, please visit www.comscore.com/companyinfo.

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