Comscore Releases June 2008 U.S. Search Engine Rankings

RESTON, VA, July 18, 2008 – 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 June 2008, Americans conducted 11.5 billion core searches, representing a 7-percent gain versus May.

June 2008 U.S. Core Search Rankings

In June, Google Sites retained its lead in the U.S. core search market capturing 61.5 percent of the searches conducted, down slightly from 61.8 percent in May. Google was followed by Yahoo! Sites (20.9 percent, up from 20.6 percent in May), Microsoft Sites (9.2 percent, up from 8.5 percent in May), Ask Network (4.3 percent), and AOL LLC (4.1 percent).

Comscore Core Search Report*
June 2008 vs. May 2008
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch 2.0

Core Search Entity

Share of Searches (%)

May-08

Jun-08

Point Change

Jun-08 vs. May-08

Total Core Search

100.0%

100.0%

0.0

Google Sites

61.8%

61.5%

-0.3

Yahoo! Sites

20.6%

20.9%

0.3

Microsoft Sites

8.5%

9.2%

0.7

Ask Network

4.5%

4.3%

-0.2

AOL LLC

4.5%

4.1%

-0.4

* 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.

Americans conducted 11.5 billion searches at the core search engines, representing a 7-percent increase versus May. Google Sites handled more than 7 billion core searches (up 6 percent from May), followed by Yahoo! Sites with 2.4 billion (up 9 percent), and Microsoft Sites with more than 1 billion (up 15 percent).

Comscore Core Search Report*
June 2008 vs. May 2008
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch 2.0

Core Search Entity

Search Queries (MM)

May-08

Jun-08

Percent Change

Jun-08 vs. May-08

Total Core Search

10,777

11,541

7%

Google Sites

6,664

7,096

6%

Yahoo! Sites

2,221

2,416

9%

Microsoft Sites

920

1,056

15%

Ask Network

486

501

3%

AOL LLC

486

471

-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.

June U.S. Expanded Search Rankings

In the Comscore June 2008 analysis of the top properties where search activity is observed, Google Sites led with 9.6 billion searches, a 9-percent increase versus May. Yahoo! Sites ranked second with 2.6 billion searches (up 8 percent from May), followed by Microsoft Sites with 1.1 billion (up 14 percent) and AOL LLC with 792 million.

Comscore Expanded Search Query Report
June 2008 vs. May 2008
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch 2.0

Expanded Search Entity

Search Queries (MM)

May-08

Jun-08

Percent Change

Jun-08 vs. May-08

Total Expanded Search

15,463

16,668

8%

Google Sites

8,838

9,601

9%

Google

6,814

7,277

7%

YouTube/All Other

2,024

2,324

15%

Yahoo! Sites

2,387

2,570

8%

Yahoo!

2,352

2,530

8%

All Other

35

40

14%

Microsoft Sites

963

1,102

14%

MSN-Windows Live

932

1,069

15%

Microsoft/All Other

31

33

6%

AOL LLC

831

792

-5%

AOL Search Network

456

430

-6%

MapQuest/All Other

375

362

-3%

Ask Network

489

506

3%

Ask.com

321

341

6%

MyWebSearch.com/ All Other

168

165

-2%

Fox Interactive Media

402

457

14%

MySpace

395

448

13%

All Other

7

9

29%

eBay

449

444

-1%

Craigslist.org

314

342

9%

Facebook.com

121

157

30%

Amazon Sites

141

152

8%

To request more information on Comscore qSearch 2.0, please visit http://www.comscore.com/contact

About Comscore
Comscore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world. For more information, please visit www.comscore.com/boilerplate

Press
Bill Daddi
Daddi Brand Communications
646-370-1341
press@comscore.com