Comscore Releases October 2008 U.S. Search Engine Rankings

RESTON, VA, November 26, 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 October 2008, Americans conducted 12.6 billion core searches, up 7 percent versus September, as Google Sites maintained its top position with more than 63 percent of all core searches conducted.

October 2008 U.S. Core Search Rankings

Google Sites led the U.S. core search market in October with 63.1 percent of the searches conducted, up 0.2 percentage points from September, followed by Yahoo! Sites (20.5 percent), Microsoft Sites (8.5 percent), Ask Network (4.2 percent), and AOL LLC (3.7 percent).

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

Core Search Entity

Share of Searches (%)

Sep-08

Oct-08

Point Change Oct-08 vs. Sep-08

Total Core Search

100.0

100.0

N/A

Google Sites

62.9

63.1

0.2

Yahoo! Sites

20.2

20.5

0.3

Microsoft Sites

8.5

8.5

0.0

Ask Network

4.3

4.2

-0.1

AOL LLC

4.1

3.7

-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 12.6 billion searches at the core search engines, a 7-percent gain versus September. Google Sites handled 8 billion core searches (up 7 percent), followed by Yahoo! Sites with 2.6 billion (up 9 percent) and Microsoft Sites with 1.1 billion (up 8 percent).

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

Core Search Entity

Search Queries (MM)

Sep-08

Oct-08

Percent Change Oct-08 vs. Sep-08

Total Core Search

11,798

12,642

7%

Google Sites

7,422

7,971

7%

Yahoo! Sites

2,386

2,589

9%

Microsoft Sites

998

1,080

8%

Ask Network

510

530

4%

AOL LLC

481

472

-2%

* 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.

October U.S. Expanded Search Rankings

In the Comscore October 2008 analysis of the top properties where search activity is observed, Google Sites led with 10.8 billion searches, a 6-percent increase versus September. Yahoo! Sites ranked second with 2.7 billion searches, followed by Microsoft Sites with 1.1 billion and AOL LLC with 770 million.

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

Expanded Search Entity

Search Queries (MM)

Sep-08

Oct-08

Percent Change Oct-08 vs. Sep-08

Total Expanded Search

17,359

18,389

6%

Google Sites

10,109

10,759

6%

Google

7,632

8,179

7%

YouTube/All Other

2,477

2,580

4%

Yahoo! Sites

2,511

2,715

8%

Yahoo!

2,483

2,685

8%

All Other

28

30

7%

Microsoft Sites

1,037

1,125

8%

MSN-Windows Live

958

1,035

8%

Microsoft/All Other

79

90

14%

AOL LLC

795

770

-3%

AOL Search Network

448

424

-5%

MapQuest/All Other

347

346

0%

Ask Network

649

683

5%

Ask.com

361

362

0%

MyWebSearch.com/ All Other

288

321

11%

Fox Interactive Media

624

574

-8%

MySpace

614

563

-8%

All Other

10

11

10%

eBay

411

464

13%

Craigslist.org

368

378

3%

Facebook.com

183

185

1%

Amazon Sites

143

138

-3%

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/boilerplate

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