Comscore Releases September 2013 U.S. Search Engine Rankings

RESTON, VA, October 16, 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 September with 66.9 percent of search queries conducted.

U.S. Explicit Core Search

Google Sites led the U.S. explicit core search market in September with 66.9 percent market share, followed by Microsoft Sites with 18 percent (up 0.1 percentage points) and Yahoo! Sites with 11.3 percent. Ask Network accounted for 2.5 percent of explicit core searches, followed by AOL, Inc. with 1.3 percent.

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

Core Search Entity

Explicit Core Search Share (%)

Aug-13

Sep-13

Point Change

Total Explicit Core Search

100.0%

100.0%

N/A

Google Sites

66.9%

66.9%

0.0

Microsoft Sites

17.9%

18.0%

0.1

Yahoo! Sites

11.4%

11.3%

-0.1

Ask Network

2.6%

2.5%

-0.1

AOL, Inc.

1.3%

1.3%

0.0

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

18.7 billion explicit core searches were conducted in September, with Google Sites ranking first with 12.5 billion. Microsoft Sites ranked second with 3.4 billion searches, followed by Yahoo! Sites with 2.1 billion, Ask Network with 474 million and AOL, Inc. with 249 million (up 3 percent).

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

Core Search Entity

Explicit Core Search Queries (MM)

Aug-13

Sep-13

Percent Change

Total Explicit Core Search

19,082

18,650

-2%

Google Sites

12,771

12,477

-2%

Microsoft Sites

3,407

3,350

-2%

Yahoo! Sites

2,175

2,101

-3%

Ask Network

489

474

-3%

AOL, Inc.

241

249

3%

“Powered By” Reporting

In September, 68.4 percent of searches carried organic search results from Google, while 27.2 percent of searches were powered by Bing.

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



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