Comscore Releases November 2008 U.S. Search Engine Rankings

RESTON, VA, December 19, 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 November 2008, Americans conducted 12.3 billion core searches, a 3-percent decline versus October, which can primarily be attributed to November having one fewer days in the month.

November 2008 U.S. Core Search Rankings

Google Sites led the U.S. core search market in November with 63.5 percent of the searches conducted, up 0.4 percentage points from October, followed by Yahoo! Sites (20.4 percent), Microsoft Sites (8.3 percent), Ask Network (4.0 percent), and AOL LLC (3.8 percent).

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

Core Search Entity

Share of Searches (%)

Oct-08

Nov-08

Point Change

Nov-08 vs. Oct-08

Total Core Search

100.0

100.0

N/A

Google Sites

63.1

63.5

0.4

Yahoo! Sites

20.5

20.4

-0.1

Microsoft Sites

8.5

8.3

-0.2

Ask Network

4.2

4.0

-0.2

AOL LLC

3.7

3.8

0.1

* 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 12.3 billion searches at the core search engines, down 3 percent from October. Google Sites handled 7.8 billion core searches, followed by Yahoo! Sites with 2.5 billion and Microsoft Sites with 1 billion.

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

Core Search Entity

Search Queries (MM)

Oct-08

Nov-08

Percent Change

Nov-08 vs. Oct-08

Total Core Search

12,642

12,264

-3%

Google Sites

7,971

7,784

-2%

Yahoo! Sites

2,589

2,506

-3%

Microsoft Sites

1,080

1,015

-6%

Ask Network

530

494

-7%

AOL LLC

472

465

-1%

* 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.

November U.S. Expanded Search Rankings

In the Comscore November 2008 analysis of the top properties where search activity is observed, Google Sites led with 10.8 billion searches, flat versus October. Yahoo! Sites ranked second with 2.6 billion searches, followed by Microsoft Sites with 1.1 billion and AOL LLC with 725 million.

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

Expanded Search Entity

Search Queries (MM)

Oct-08

Nov-08

Percent Change

Nov-08 vs. Oct-08

Total Expanded Search

18,389

18,058

-2%

Google Sites

10,759

10,767

0%

Google

8,179

7,976

-2%

YouTube/All Other

2,580

2,791

8%

Yahoo! Sites

2,715

2,620

-3%

Yahoo!

2,685

2,594

-3%

All Other

30

26

-13%

Microsoft Sites

1,125

1,053

-6%

MSN-Windows Live

1,035

959

-7%

Microsoft/All Other

90

94

4%

AOL LLC

770

725

-6%

AOL Search Network

424

412

-3%

MapQuest/All Other

346

313

-10%

Ask Network

683

631

-8%

Ask.com

362

326

-10%

MyWebSearch.com/ All Other

321

305

-5%

Fox Interactive Media

574

543

-5%

MySpace

563

535

-5%

All Other

11

8

-27%

eBay

464

469

1%

Craigslist.org

378

369

-2%

Facebook.com

185

162

-12%

Amazon Sites

138

157

14%

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

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

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