comScore Releases March 2008 U.S. Search Engine Rankings

RESTON, Va., April 15 /PRNewswire-FirstCall/ -- comScore, Inc. (Nasdaq: SCOR), a leader in measurement the digital world, today released its
monthly comScore qSearch analysis of the U.S. hunt marketplace. March 2008
saw Americans behavior 10.8 billion core searches, representing a 9-percent
increase versus February.

(Logo: )

March 2008 U.S. Core Search Rankings

In March, Google Sites extended its share of core hunts to 59.8
percent, up from 59.2 percentage the former month. Yahoo! Sites ranked second
with 21.3 percent, followed by Microsoft Sites (9.4 percent), AOL LLC (4.8
percent), and Ask Network (4.7 percent).

comScore Core Search Report*
March 2008 vs. February 2008
Entire U.S. - Home/Work/University Locations
Source: comScore qSearch 2.0 Share of Searches (%)
Point Change
Mar-08 vs.
Core Search Entity Feb-08 Mar-08 Feb-08 Sum Core Search 100.0% 100.0% 0.0
Google Sites 59.2% 59.8% 0.6
Yahoo! Sites 21.6% 21.3% -0.3
Microsoft Sites 9.6% 9.4% -0.2
AOL LLC 4.9% 4.8% -0.1
Ask Network 4.6% 4.7% 0.1 * Based on the five major hunt engines including spouse hunts and
cross-channel searches. Searches for mapping, local directory, and
user-generated video land sites that are not on the core sphere of the five
hunt engines are not included in the core hunt numbers.

Americans conducted 10.8 billion hunts at the core hunt engines,
representing a 9-percent addition versus February. Each of the five core search
engines experienced hunt question additions during the month. Google Sites saw more
than 6.4 billion core searches, followed by Yahoo! Sites with 2.3 billion, and
Microsoft Sites with 1 billion.

comScore Core Search Report*
March 2008 vs. February 2008
Entire U.S. - Home/Work/University Locations
Source: comScore qSearch 2.0 Search Queries (MM)
Point Change
Mar-08 vs.
Core Search Entity Feb-08 Mar-08 Feb-08 Sum Core Search 9,882 10,771 9%
Google Sites 5,855 6,438 10%
Yahoo! Sites 2,136 2,296 7%
Microsoft Sites 953 1,012 6%
AOL LLC 488 521 7%
Ask Network 450 503 12% * Based on the five major hunt engines including spouse hunts and
cross-channel searches. Searches for mapping, local directory, and
user-generated video land sites that are not on the core sphere of the five
hunt engines are not included in the core hunt numbers.

March U.S. Expanded Search Rankings

In the March 2008 analysis of the Top 50 places where hunt activity
is observed, Google Sites led with 8.3 billion searches. Yahoo! Sites ranked
second with 2.4 billion searches, followed by Microsoft Sites (more than 1
billion), and AOL LLC (891 million).

comScore Expanded Search Question Report
March 2008 vs. February 2008
Entire U.S. - Home/Work/University Locations
Source: comScore qSearch 2.0 Search Queries (MM)
Point Change
Mar-08 vs.
Expanded Search Entity Feb-08 Mar-08 Feb-08 Sum Expanded Search 13,806 15,088 9%
Google Sites 7,390 8,267 12%
Google 5,917 6,531 10%
YouTube/All Other 1,473 1,736 18%
Yahoo! Sites 2,262 2,391 6%
Yahoo! 2,234 2,359 6%
All Other 28 32 14%
Microsoft Sites 984 1,054 7%
MSN-Windows Live 952 1,019 7%
Microsoft/All Other 32 35 9%
AOL LLC 864 891 3%
AOL 493 527 7%
MapQuest/All Other 371 364 -2%
Ask Network 452 506 12%
Ask.com 283 316 12%
MyWebSearch.com/ All Other 169 190 12%
eBay 480 474 -1%
Fox Interactive Media 337 377 12%
MySpace 330 368 12%
All Other 7 9 29%
Craigslist.org 239 277 16%
Amazon Sites 139 149 7%
Facebook.com 103 107 4%

To bespeak more than information on comScore qSearch 2.0, delight visit

About comScore

comScore, Inc. (NASDAQ: SCOR) is a planetary leader in measurement the digital
world. For more than information, delight visit

SOURCE comScore, Inc.