Comscore Releases May 2012 U.S. Search Engine Rankings

RESTON, VA, June 13, 2012 – 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 15.4 percent and Yahoo! Sites with 13.4 percent. Ask Network accounted for 3 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.

Comscore Explicit Core Search Share Report*
May 2012 vs. April 2012
Total U.S. – Home & Work Locations
Source: Comscore qSearch

Core Search Entity

Explicit Core Search Share (%)

Apr-12

May-12

Point Change

Total Explicit Core Search

100.0%

100.0%

N/A

Google Sites

66.5%

66.7%

0.2

Microsoft Sites

15.4%

15.4%

0.0

Yahoo! Sites

13.5%

13.4%

-0.1

Ask Network

3.0%

3.0%

0.0

AOL, Inc.

1.6%

1.5%

-0.1

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

17.5 billion explicit core searches were conducted in May (up 2 percent), with Google Sites ranking first with 11.7 billion (up 3 percent). Microsoft Sites ranked second with 2.7 billion searches (up 2 percent), followed by Yahoo! Sites with 2.3 billion (up 1 percent), Ask Network with 521 million (up 2 percent) and AOL, Inc. with 268 million.

Comscore Explicit Core Search Query Report
May 2012 vs. April 2012
Total U.S. – Home & Work Locations
Source: Comscore qSearch

Core Search Entity

Explicit Core Search Queries (MM)

Apr-12

May-12

Percent Change

Total Explicit Core Search

17,106

17,532

2%

Google Sites

11,374

11,699

3%

Microsoft Sites

2,638

2,701

2%

Yahoo! Sites

2,311

2,342

1%

Ask Network

511

521

2%

AOL, Inc.

271

268

-1%

"Powered By" Reporting

In May, 68.9 percent of searches carried organic search results from Google (up 0.2 percentage points versus April), while 25.6 percent of searches were powered by Bing.

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital business analytics. For more information, please visit www.comscore.com/companyinfo.

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