Comscore Releases May 2013 U.S. Search Engine Rankings

RESTON, VA, June 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 May with 66.7 percent of search queries conducted.

U.S. Explicit Core Search

Google Sites led the U.S. explicit core search market in May with 66.7 percent market share (up 0.2 percentage points), followed by Microsoft Sites with 17.4 percent (up 0.1 percentage points) and Yahoo! Sites with 11.9 percent. Ask Network accounted for 2.7 percent of explicit core searches, followed by AOL, Inc. with 1.3 percent.

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

Core Search Entity

Explicit Core Search Share (%)

Apr-13

May-13

Point Change

Total Explicit Core Search

100.0%

100.0%

N/A

Google Sites

66.5%

66.7%

0.2

Microsoft Sites

17.3%

17.4%

0.1

Yahoo! Sites

12.0%

11.9%

-0.1

Ask Network

2.7%

2.7%

0.0

AOL, Inc.

1.5%

1.3%

-0.2

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

20 billion explicit core searches were conducted in May, with Google Sites ranking first with 13.4 billion. Microsoft Sites ranked second with 3.5 billion searches (up 1 percent), followed by Yahoo! Sites with 2.4 billion, Ask Network with 547 million (up 1 percent) and AOL, Inc. with 266 million.

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

Core Search Entity

Explicit Core Search Queries (MM)

Apr-13

May-13

Percent Change

Total Explicit Core Search

20,016

20,032

0%

Google Sites

13,317

13,353

0%

Microsoft Sites

3,467

3,490

1%

Yahoo! Sites

2,403

2,375

-1%

Ask Network

539

547

1%

AOL, Inc.

290

266

-8%

“Powered By” Reporting

In May, 68.6 percent of searches carried organic search results from Google (up 0.1 percentage points), while 26.7 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