Comscore Releases May 2009 U.S. Search Engine Rankings

RESTON, VA, June 17, 2009 – Comscore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly Comscore qSearch analysis of the U.S. search marketplace. In May 2009, Americans conducted 14.3 billion core searches.

May 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in April with 65.0 percent of the searches conducted, followed by Yahoo! Sites (20.1 percent), Microsoft Sites (8.0 percent), Ask Network (3.9 percent) and AOL LLC (3.1 percent).

Comscore Core Search Report*
May 2009 vs. April 2009
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Core Search Entity

Share of Searches (%)

Apr-09

May-09

Point Change May-09 vs. Apr-09

Total Core Search

100.0

100.0

N/A

Google Sites

64.2

65.0

0.8

Yahoo! Sites

20.4

20.1

-0.3

Microsoft Sites**

8.2

8.0

-0.2

Ask Network

3.8

3.9

0.1

AOL LLC

3.4

3.1

-0.3

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.
**May data does not include search activity at Microsoft Bing, which was launched on June 1. Microsoft Bing will be included with June qSearch data.

Americans conducted 14.3 billion searches at the core search engines. Google Sites accounted for 9.3 billion core searches, followed by Yahoo! Sites with 2.9 billion and Microsoft Sites with 1.1 billion.

Comscore Core Search Report*
May 2009 vs. April 2009
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Core Search Entity

Search Queries (MM)

Apr-09

May-09

Percent Change May-09 vs. Apr-09

Total Core Search

14,751

14,327

-3

Google Sites

9,476

9,307

-2

Yahoo! Sites

3,008

2,877

-4

Microsoft Sites**

1,208

1,149

-5

Ask Network

563

555

-1

AOL LLC

496

438

-12

* Based on the five major search engines including partner searches and cross-channel searches. Searches for mapping, local directory, and user-generated video sites that are not on the core domain of the five search engines are not included in the core search numbers.
**May data does not include search activity at Microsoft Bing, which was launched on June 1. Microsoft Bing will be included with June qSearch data.

May 2009 U.S. Expanded Search Rankings

In the Comscore May 2009 analysis of the top properties where search activity is observed, Google Sites led with 13 billion searches. Yahoo! Sites ranked second with 3 billion searches, followed by Microsoft Sites (1.2 billion) and AOL LLC (721 million).

Comscore Expanded Search Query Report
May 2009 vs. April 2009
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Expanded Search Entity

Search Queries (MM)

Apr-09

May-09

Percent Change May-09 vs. Apr-09

Total Expanded Search

22,067

21,818

-1%

Google Sites

13,041

13,035

0%

Google

9,830

9,680

-2%

YouTube/All Other

3,211

3,355

4%

Yahoo! Sites

3,161

3,021

-4%

Yahoo!

3,135

2,995

-4%

All Other

26

26

0%

Microsoft Sites*

1,250

1,194

-4%

MSN-Windows Live

1,158

1,103

-5%

Microsoft/All Other

92

91

-1%

AOL LLC

795

721

-9%

AOL Search Network

427

374

-12%

MapQuest/All Other

368

347

-6%

Ask Network

705

691

-2%

Ask.com

402

382

-5%

MyWebSearch.com/ All Other

303

309

2%

craigslist, inc.

583

651

12%

Fox Interactive Media

666

644

-3%

MySpace Sites

658

636

-3%

All Other

8

8

0%

eBay

654

634

-3%

Amazon Sites

188

185

-2%

Facebook.com

176

184

5%

*May data does not include search activity at Microsoft Bing, which was launched on June 1. Microsoft Bing will be included with June qSearch data.

About Comscore

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

Contact:
Sarah Radwanick
Director, Regional Product Marketing
Comscore, Inc.
+44 (0) 20 7099 1784
worldpress@comscore.com