Comscore Releases February 2009 U.S. Search Engine Rankings

RESTON, VA, March 13, 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. Americans conducted 13.1 billion core searches in February 2009, down 3 percent versus January – a decline that is primarily the result of the shortened month.

February 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in February with 63.3 percent of the searches conducted, followed by Yahoo! Sites (20.6 percent), Microsoft Sites (8.2 percent), Ask Network (4.1 percent) and AOL LLC (3.9 percent).

Comscore Core Search Report*
February 2009 vs. January 2009
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch 2.0
Core Search Entity Share of Searches (%)
Jan-09 Feb-09 Point Change Feb-09 vs. Jan-09
Total Core Search 100.0 100.0 N/A
Google Sites 63.0 63.3 0.3
Yahoo! Sites 21.0 20.6 -0.4
Microsoft Sites 8.5 8.2 -0.3
Ask Network 3.7 4.1 0.4
AOL LLC 3.9 3.9 0.0

* 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 13.1 billion searches at the core search engines, down 3 percent from January. Google Sites handled 8.3 billion core searches, followed by Yahoo! Sites with 2.7 billion and Microsoft Sites with 1.1 billion.

Comscore Core Search Report*
February 2009 vs. January 2009
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch 2.0
Core Search Entity Search Queries (MM)
Jan-09 Feb-09 Percent Change Feb-09 vs. Jan-09
Total Core Search 13,496 13,104 -3%
Google Sites 8,497 8,293 -2%
Yahoo! Sites 2,836 2,696 -5%
Microsoft Sites 1,146 1,073 -6%
Ask Network 497 536 8%
AOL LLC 520 507 -3%

* 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.

February 2009 U.S. Expanded Search Rankings

In the Comscore February 2009 analysis of the top properties where search activity is observed, Google Sites led with 11.3 billion searches, down 4 percent versus January. Yahoo! Sites ranked second with 2.8 billion searches, followed by Microsoft Sites (1.1 billion) and AOL LLC (761 million).

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

Expanded Search Entity

 Search Queries (MM)
Jan-09 Feb-09 Percent Change Feb-09 vs. Jan-09
Total Expanded Search 19,979 19,176 -4%
Google Sites 11,714 11,250 -4%
Google 8,731 8,541 -2%
YouTube/All Other 2,983 2,709 -9%
Yahoo! Sites 2,979 2,828 -5%
Yahoo! 2,952 2,804 -5%
All Other 27 23 -13%
Microsoft Sites 1,188 1,109 -7%
MSN-Windows Live 1,084 1,015 -6%
Microsoft/All Other 104 94 -10%
AOL LLC 781 761 -3%
AOL Search Network 452 439 -3%
MapQuest/All Other 330 322 -2%
Ask Network 645 678 5%
Ask.com 317 384 21%
MyWebSearch.com/ All Other 328 294 -10%
eBay 541 513 -5%
Craigslist.org 497 511 3%
Fox Interactive Media 558 487 -13%
MySpace 550 479 -13%
All Other 8 7 -10%
Facebook.com 195 206 6%
Amazon Sites 196 170 -13%

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

Press
Bill Daddi
Daddi Brand Communications
646-370-1341
press@comscore.com