comScore Releases December 2009 US Search Engine Rankings

RESTON, VA – comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, released its monthly comScore qSearch analysis of the U.S. search marketplace. In December 2009, Americans conducted 14.7 billion core searches, with Google Sites accounting for 65.7 percent search market share, virtually unchanged from 65.6 percent in November. Microsoft Sites grabbed 10.7 percent market share, up 0.4 percentage points versus November.

December 2009 U.S. Core Search Rankings
Google Sites led the U.S. core search market in December with 65.7 percent of the searches conducted, followed by Yahoo! Sites (17.3 percent), and Microsoft Sites (10.7 percent). Ask Network captured 3.7 percent of the search market, followed by AOL LLC with 2.6 percent.

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comScore Core Search Report*
December 2009 vs. November 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearch
Core Search Entity      Share of Searches (%)
Nov-09      Dec-09    Point Change
Dec-09 vs. Nov-09
Total Core Search       100.0%      100.0%          N/A
Google Sites             65.6%       65.7%          0.1
Yahoo! Sites             17.5%       17.3%         -0.2
Microsoft Sites          10.3%       10.7%          0.4
Ask Network               3.8%        3.7%         -0.1
AOL LLC Network           2.8%        2.6%         -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.
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Americans conducted 14.7 billion searches in December, up 2 percent from November. Google Sites accounted for nearly 9.7 billion searches, followed by Yahoo! Sites (2.5 billion), Microsoft Sites (1.6 billion), Ask Network (545 million) and AOL LLC (383 million).

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comScore Core Search Report*
December 2009 vs. November 2009
Total U.S. – Home/Work/University Locations
Source: comScore qSearch
Core Search Entity      Search Queries (MM)
Nov-09     Dec-09    Percent Change
Dec-09 vs. Nov-09
Total Core Search       14,445     14,737          2%
Google Sites             9,479      9,688          2%
Yahoo! Sites             2,534      2,544          0%
Microsoft Sites          1,483      1,576          6%
Ask Network                548        545         -1%
AOL LLC                    401        383         -4%

* 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.
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December 2009 U.S. Expanded Search Rankings
In the December analysis of the top properties where search activity is observed, Google Sites led the search market with more than 14.0 billion search queries, followed by Yahoo! Sites with 2.6 billion queries and Microsoft Sites with 1.6 billion searches. Bing experienced large growth during the month with a 6-percent increase in query volume to nearly 1.4 billion searches. eBay and Amazon Sites experienced gains in December as retail search activity picked up during the holiday season.

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

Expanded Search Entity            Search Queries (MM)
Nov-09     Dec-09     Percent Change
Dec-09 vs. Nov-09
Total Internet                    22,280     22,741            2%
Google Sites                      13,751     14,019            2%
Google                         9,878     10,101            2%
YouTube/All Other              3,873      3,918            1%
Yahoo! Sites                       2,622      2,629            0%
Yahoo!                         2,599      2,605            0%
All Other                         23         24            4%
Microsoft Sites                    1,521      1,620            7%
Bing                           1,324      1,399            6%
Microsoft/All Other              197        221           12%
Ask Network                          715        696           -3%
ASK.COM                          348        332           -5%
MyWebSearch.com/ All Other       367        364           -1%
eBay                                 635        680            7%
AOL LLC                              611        588           -4%
AOL Search Network               349        325           -7%
MapQuest/All Other               262        263            0%
craigslist, inc.                     568        583            3%
Fox Interactive Media                447        424           -5%
MySpace Sites                    439        416           -5%
All Other                          8          8            0%
Facebook.com                         354        351           -1%
Amazon Sites                         250        302           21%
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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.