Comscore Releases April 2012 U.S. Search Engine Rankings

RESTON, VA, May 11, 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 April with 66.5 percent of search queries conducted.

U.S. Explicit Core Search
Google Sites led the U.S. explicit core search market in April with 66.5 percent market share (up 0.1 percentage points), followed by Microsoft Sites with 15.4 percent (up 0.1 percentage points) and Yahoo! Sites with 13.5 percent. Ask Network accounted for 3 percent of explicit core searches, followed by AOL, Inc. with 1.6 percent.

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

Core Search Entity

Explicit Core Search Share (%)

Mar-12

Apr-12

Point Change

Total Explicit Core Search

100.0%

100.0%

N/A

Google Sites

66.4%

66.5%

0.1

Microsoft Sites

15.3%

15.4%

0.1

Yahoo! Sites

13.7%

13.5%

-0.2

Ask Network

3.0%

3.0%

0.0

AOL, Inc.

1.6%

1.6%

0.0

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

17.1 billion explicit core searches were conducted in April, with Google Sites ranking first with 11.4 billion. Microsoft Sites ranked second with 2.6 billion searches, followed by Yahoo! Sites with 2.3 billion, Ask Network with 511 million and AOL, Inc. with 271 million.

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

Core Search Entity

Explicit Core Search Queries (MM)

Mar-12

Apr-12

Percent Change

Total Explicit Core Search

18,358

17,106

-7%

Google Sites

12,187

11,374

-7%

Microsoft Sites

2,808

2,638

-6%

Yahoo! Sites

2,523

2,311

-8%

Ask Network

555

511

-8%

AOL, Inc.

285

271

-5%

"Powered By" Reporting

In April, 68.7 percent of searches carried organic search results from Google (up 0.1 percentage points versus March), while 25.9 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