Comscore Releases October 2009 U.S. Search Engine Rankings

RESTON, VA, November 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 October 2009, Americans conducted 14.3 billion core searches, with Google Sites accounting for 65.4 percent search market share, up from 64.9 percent in September. Microsoft Sites grabbed 9.9 percent market share, up 0.5 percentage points versus September.

October 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in October with 65.4 percent of the searches conducted, followed by Yahoo! Sites (18.0 percent), and Microsoft Sites (9.9 percent). Ask Network captured 3.9 percent of the search market, followed by AOL LLC with 2.9 percent.

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

Core Search Entity

Share of Searches (%)

Sep-09

Oct-09

Point Change Oct-09 vs. Sep-09

Total Core Search

100.0%

100.0%

N/A

Google Sites

64.9%

65.4%

0.5

Yahoo! Sites

18.8%

18.0%

-0.8

Microsoft Sites

9.4%

9.9%

0.5

Ask Network

3.9%

3.9%

0.0

AOL LLC Network

3.0%

2.9%

-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 14.3 billion searches in October, up 3 percent from September. Google Sites accounted for 9.4 billion searches, followed by Yahoo! Sites (2.6 billion), Microsoft Sites (1.4 billion), Ask Network (552 million) and AOL LLC (412 million).

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

Core Search Entity

Search Queries (MM)

Sep-09

Oct-09

Percent Change Oct-09 vs. Sep-09

Total Core Search

13,836

14,309

3%

Google Sites

8,975

9,362

4%

Yahoo! Sites

2,600

2,571

-1%

Microsoft Sites

1,305

1,412

8%

Ask Network

541

552

2%

AOL LLC

416

412

-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.

October 2009 U.S. Expanded Search Rankings

In the October analysis of the top properties where search activity is observed, Google Sites led the search market with 13.5 billion search queries, followed by Yahoo! Sites with 2.7 billion queries and Microsoft Sites with 1.5 billion searches. Bing experienced the largest growth of the top ten expanded search properties with an 8-percent increase in query volume to more than 1.2 billion searches.

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

Expanded Search Entity

Search Queries (MM)

Sep-09

Oct-09

Percent Change Oct-09 vs. Sep-09

Total Internet

21,334

22,032

3%

Google Sites

12,839

13,505

5%

Google

9,373

9,788

4%

YouTube/All Other

3,466

3,717

7%

Yahoo! Sites

2,692

2,663

-1%

Yahoo!

2,668

2,639

-1%

All Other

24

24

0%

Microsoft Sites

1,352

1,457

8%

Bing

1,156

1,245

8%

Microsoft/All Other

196

212

8%

Ask Network

718

730

2%

ASK.COM

339

348

3%

MyWebSearch.com/ All Other

379

382

1%

AOL LLC

625

628

0%

AOL Search Network

366

359

-2%

MapQuest/All Other

259

269

4%

eBay

621

617

-1%

craigslist, inc.

624

594

-5%

Fox Interactive Media

500

478

-4%

MySpace Sites

494

472

-4%

All Other

6

6

0%

Facebook.com

384

331

-14%

Amazon Sites

191

212

11%

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