Press Releases

February 18, 2009

comScore Releases January 2009 U.S. Search Engine Rankings

RESTON, VA, February 18, 2009 – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly comScore qSearch analysis of the U.S. search marketplace. In January 2009, Americans conducted 13.5 billion core searches, a 7-percent gain versus December 2008.

January 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in December with 63.0 percent of the searches conducted, followed by Yahoo! Sites (21.0 percent), Microsoft Sites (8.5 percent), AOL LLC (3.9 percent) and Ask Network (3.7 percent).

comScore Core Search Report*
January 2009 vs. December 2008
Total U.S. – Home/Work/University Locations
Source: comScore qSearch 2.0
Core Search Entity Share of Searches (%)
Dec-08 Jan-09

Point Change

Jan-09 vs. Dec-08

Total Core Search 100.0 100.0 N/A
Google Sites 63.5 63.0 -0.5
Yahoo! Sites 20.5 21.0 0.5
Microsoft Sites 8.3 8.5 0.2
AOL LLC 3.8 3.9 0.1
Ask Network 3.9 3.7 -0.2

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

Americans conducted 13.5 billion searches at the core search engines, up 7 percent from December. Google Sites handled 8.5 billion core searches, followed by Yahoo! Sites with 2.8 billion and Microsoft Sites with 1.1 billion.

comScore Core Search Report*
January 2009 vs. December 2008
Total U.S. – Home/Work/University Locations
Source: comScore qSearch 2.0
Core Search Entity Search Queries (MM)
Dec-08 Jan-09

Percent Change

Jan-09 vs. Dec-08

Total Core Search 12,650 13,496 7%
Google Sites 8,036 8,497 6%
Yahoo! Sites 2,593 2,836 9%
Microsoft Sites 1,055 1,136 8%
AOL LLC 478 520 9%
Ask Network 488 497 2%

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.

January 2009 U.S. Expanded Search Rankings

In the comScore January 2009 analysis of the top properties where search activity is observed, Google Sites led with 11.7 billion searches, up 5 percent versus December. Yahoo! Sites ranked second with nearly 3 billion searches, followed by Microsoft Sites (1.2 billion) and AOL LLC (781 million).

comScore Expanded Search Query Report
January 2009 vs. December 2008
Total U.S. – Home/Work/University Locations
Source: comScore qSearch 2.0

Expanded Search Entity

Search Queries (MM)
Dec-08 Jan-09

Percent Change

Jan-09 vs. Dec-08

Total Expanded Search 18,688 19,979 7%
Google Sites 11,152 11,714 5%
Google 8,247 8,731 6%
YouTube/All Other 2,905 2,983 3%
Yahoo! Sites 2,714 2,979 10%
Yahoo! 2,686 2,952 10%
All Other 28 27 -4%
Microsoft Sites 1,092 1,188 9%
MSN-Windows Live 997 1,084 9%
Microsoft/All Other 95 104 9%
AOL LLC 740 781 6%
AOL Search Network 424 452 7%
MapQuest/All Other 316 329 4%
Ask Network 620 645 4%
Ask.com 308 317 3%
MyWebSearch.com/ All Other 312 328 5%
Fox Interactive Media 526 558 6%
MySpace 516 550 7%
All Other 10 8 -20%
eBay 500 541 8%
Craigslist.org 387 497 28%
Amazon Sites 204 196 -4%
Facebook.com 161 195 21%

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:
Andrew Lipsman
comScore, Inc.
+1 312 775 6510
press@comscore.com