Comscore Releases April 2010 U.S. Search Engine Rankings

RESTON, VA, May 11, 2010 – 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 April 2010, Americans conducted 15.5 billion core searches, with Google Sites leading the market with 64.4 percent share of core searches conducted.

April 2010 U.S. Core Search Rankings

Google Sites led the U.S. core search market in April with 64.4 percent of the searches conducted, followed by Yahoo! Sites (up 0.8 percentage points to 17.7 percent), and Microsoft Sites (up 0.1 percentage points to 11.8 percent). Both Yahoo! Sites and Microsoft Sites have experienced gains due in part to the introduction of new site navigation experiences that tie content and related search results together within several channels. These features provide search results to users as they navigate through topical content and meet Comscore’s established criteria for counting search queries. Ask Network captured 3.7 percent of the search market, followed by AOL LLC with 2.4 percent.

Comscore Core Search Report*
April 2010 vs. March 2010
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Core Search Entity

Share of Searches (%)

Mar-10

Apr-10

Point Change Apr-10 vs. Mar-10

Total Core Search

100.0%

100.0%

N/A

Google Sites

65.1%

64.4%

-0.7

Yahoo! Sites

16.9%

17.7%

0.8

Microsoft Sites

11.7%

11.8%

0.1

Ask Network

3.8%

3.7%

-0.1

AOL LLC Network

2.5%

2.4%

-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 15.5 billion searches in April, up slightly from March. Google Sites accounted for 10 billion searches, followed by Yahoo! Sites (2.8 billion), Microsoft Sites (1.8 billion), Ask Network (574 million) and AOL LLC (371 million).

Comscore Core Search Report*
April 2010 vs. March 2010
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Core Search Entity

Search Queries (MM)

Mar-10

Apr-10

Percent Change Apr-10 vs. Mar-10

Total Core Search

15,427

15,532

1%

Google Sites

10,048

10,006

0%

Yahoo! Sites

2,605

2,752

6%

Microsoft Sites

1,802

1,829

1%

Ask Network

593

574

-3%

AOL LLC

380

371

-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.

April 2010 U.S. Expanded Search Rankings

In the April analysis of the top properties where search activity is observed, Google Sites led the search market with 14.0 billion search queries, followed by Yahoo! Sites with 2.8 billion queries and Microsoft Sites with 1.9 billion. Amazon Sites experienced sizeable growth during the month with an 8-percent increase to 245 million searches, rounding off the top 10 ranking.

Comscore Expanded Search Query Report
April 2010 vs. March 2010
Total U.S. – Home/Work/University Locations
Source: Comscore qSearch

Expanded Search Entity

Search Queries (MM)

Mar-10

Apr-10

Percent Change Apr-10 vs. Mar-10

Total Internet

23,866

23,658

-1%

Google Sites

14,252

13,996

-2%

Google

10,547

10,556

0%

YouTube/All Other

3,705

3,440

-7%

Yahoo! Sites

2,689

2,839

6%

Yahoo!

2,676

2,827

6%

All Other

13

12

-8%

Microsoft Sites

1,862

1,883

1%

Bing

1,604

1,575

-2%

Microsoft/All Other

258

308

19%

Ask Network

742

719

-3%

ASK.COM

332

327

-2%

MyWebSearch.com/ All Other

410

392

-4%

craigslist, inc.

664

685

3%

eBay

659

641

-3%

Facebook.com

647

624

-4%

AOL LLC

594

604

2%

AOL Search Network

319

302

-5%

MapQuest/All Other

275

302

10%

Fox Interactive Media

406

312

-23%

MySpace

402

309

-23%

All Other

4

3

-25%

Amazon Sites

226

245

8%

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:
Adam Lella
Comscore, Inc.
+1 (312) 775-6474
press@comscore.com



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