comScore Releases March 2009 U.S. Search Engine Rankings

Ad Operations OnlineRESTON, VA – 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 March 2009, Americans conducted 14.3 billion core searches, a 9-percent gain versus February.

March 2009 U.S. Core Search Rankings



Google Sites led the U.S. core search market in March with 63.7 percent of the searches conducted, followed by Yahoo! Sites (20.5 percent), Microsoft Sites (8.3 percent), Ask Network (3.8 percent) and AOL LLC (3.7 percent).
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comScore Core Search Report*
March 2009 vs. February 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearch

Core Search Entity          Share of Searches (%)
Feb-09       Mar-09     Point Change
Mar-09 vs. Feb-09
Total Core Search      100.0        100.0          N/A
Google Sites            63.3         63.7          0.4
Yahoo! Sites            20.6         20.5         -0.1
Microsoft Sites          8.2          8.3          0.1
Ask Network              4.1          3.8         -0.3
AOL LLC                  3.9          3.7         -0.2
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* 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 14.3 billion searches at the core search engines, up 9 percent from February. Google Sites accounted for 9.1 billion core searches, followed by Yahoo! Sites with 2.9 billion and Microsoft Sites with 1.2 billion.
________________________________________________________________________
comScore Core Search Report*
March 2009 vs. February 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearch

Core Search Entity            Search Queries (MM)
Feb-09      Mar-09     Percent Change
Mar-09 vs. Feb-09
Total Core Search        13,104       14,331         9%
Google Sites              8,293        9,125        10%
Yahoo! Sites              2,696        2,939         9%
Microsoft Sites           1,073        1,191        11%
Ask Network                 536          547         2%
AOL LLC                     507          529         4%
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* 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.

March 2009 U.S. Expanded Search Rankings
In the comScore March 2009 analysis of the top properties where search activity is observed, Google Sites led with 12.4 billion searches, up 10 percent versus February. Yahoo! Sites ranked second with 3.1 billion searches, followed by Microsoft Sites (1.2 billion) and AOL LLC (813 million).

For the March 2009 U.S. Expanded Search Rankings Table Please Visit: http://www.comscore.com/press/release.asp?press=2775

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