Comscore Releases March 2013 U.S. Search Engine Rankings

RESTON, VA, April 12, 2013 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly Comscore qSearch analysis of the U.S. search marketplace. Google Sites led the explicit core search market in March with 67.1 percent of search queries conducted.

U.S. Explicit Core Search

Google Sites led the U.S. explicit core search market in March with 67.1 percent market share, followed by Microsoft Sites with 16.9 percent (up 0.2 percentage points) and Yahoo! Sites with 11.8 percent (up 0.2 percentage points). Ask Network accounted for 2.7 percent of explicit core searches (up 0.1 percentage point), followed by AOL, Inc. with 1.6 percent.

Comscore Explicit Core Search Share Report*
March 2013 vs. February 2013
Total U.S. – Home & Work Locations
Source: Comscore qSearch

Core Search Entity

Explicit Core Search Share (%)

Feb-13

Mar-13

Point Change

Total Explicit Core Search

100.0%

100.0%

N/A

Google Sites

67.5%

67.1%

-0.4

Microsoft Sites

16.7%

16.9%

0.2

Yahoo! Sites

11.6%

11.8%

0.2

Ask Network

2.6%

2.7%

0.1

AOL, Inc.

1.7%

1.6%

-0.1

*“Explicit Core Search” excludes contextually driven searches that do not
reflect specific user intent to interact with the search results.

20.4 billion explicit core searches were conducted in March (up 11 percent), with Google Sites ranking first with 13.7 billion (up 11 percent). Microsoft Sites ranked second with 3.4 billion searches (up 13 percent), followed by Yahoo! Sites with 2.4 billion (up 14 percent), Ask Network with 540 million (up 14 percent) and AOL, Inc. with 321 million (up 5 percent).

Comscore Explicit Core Search Query Report
March 2013 vs. February 2013
Total U.S. – Home & Work Locations
Source: Comscore qSearch

Core Search Entity

Explicit Core Search Queries (MM)

Feb-13

Mar-13

Percent Change

Total Explicit Core Search

18,266

20,360

11%

Google Sites

12,327

13,658

11%

Microsoft Sites

3,048

3,431

13%

Yahoo! Sites

2,111

2,410

14%

Ask Network

475

540

14%

AOL, Inc.

305

321

5%

“Powered By” Reporting

In March, 69.2 percent of searches carried organic search results from Google, while 26.1 percent of searches were powered by Bing (up 0.2 percentage points).

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in digital measurement and analytics, delivering insights on web, mobile and TV consumer behavior that enable clients to maximize the value of their digital investments. For more information, please visit www.comscore.com/companyinfo.

Contact:
Adam Lella
Comscore, Inc.
+1 (312) 775-6474
press@comscore.com