comScore Releases May 2011 U.S. Search Engine Rankings::Brought to you by TechWeb

Press Releases
Unedited news and product information from vendors.

comScore Releases May 2011 U.S. Search Engine Rankings
Jun 10, 2011 (04:06 PM EDT)

RESTON, Va., June 10, 2011 /PRNewswire/ -- comScore, Inc. (NASDAQ: SCOR), a leader in measuring the digital world, today released its monthly comScore qSearch analysis of the U.S. search marketplace. Google Sites led the explicit core search market in May with 65.5 percent of search queries conducted.

(Logo: http://photos.prnewswire.com/prnh/20080115/COMSCORELOGO)

The May 2011 qSearch data represents the second month of results including the impact of Yahoo! Search Direct, Yahoo!'s new feature that delivers search results in real-time while users type their query.

U.S. Explicit Core Search

Google Sites led the U.S. explicit core search market in May with 65.5 percent market share (up 0.1 percentage points), followed by Yahoo! Sites with 15.9 percent and Microsoft Sites with 14.1 percent. Ask Network accounted for 2.9 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.


comScore Explicit Core Search Share Report* May 2011 vs. April 2011 Total U.S. – Home/Work/University Locations Source: comScore qSearch
Core Search Entity	Explicit Core Search Share (%)
Core Search Entity	Apr-11	May-11	Point Change
Total Explicit Core Search	100.0%	100.0%	N/A
Google Sites	65.4%	65.5%	0.1
Yahoo! Sites	15.9%	15.9%	0.0
Microsoft Sites	14.1%	14.1%	0.0
Ask Network	3.0%	2.9%	-0.1
AOL, Inc.	1.5%	1.5%	0.0

*"Explicit Core Search" excludes contextually driven searches that do not reflect specific user intent to interact with the search results.

More than 17.0 billion explicit core searches were conducted in May (up 5 percent versus April). Google Sites ranked first with 11.2 billion searches (up 5 percent), followed by Yahoo! Sites with 2.7 billion (up 5 percent), Microsoft Sites with 2.4 billion (up 4 percent), Ask Network with 502 million (up 2 percent) and AOL, Inc. with 254 million (up 2 percent).


comScore Explicit Core Search Query Report May 2011 vs. April 2011 Total U.S. – Home/Work/University Locations Source: comScore qSearch
Core Search Entity	Explicit Core Search Queries (MM)
Core Search Entity	Apr-11	May-11	Percent Change
Total Explicit Core Search	16,277	17,024	5%
Google Sites	10,652	11,155	5%
Yahoo! Sites	2,584	2,711	5%
Microsoft Sites	2,301	2,402	4%
Ask Network	491	502	2%
AOL, Inc.	248	254	2%

U.S. Total Core Search

Google Sites accounted for 63.3 percent of total core search queries conducted, followed by Yahoo! Sites with 19.6 percent (up 1.7 percentage points) and Microsoft Sites with 13.1 percent. Ask Network comprised 2.6 percent of total search queries, followed by AOL, Inc. with 1.3 percent.


comScore Total Core Search Share Report* May 2011 vs. April 2011 Total U.S. – Home/Work/University Locations Source: comScore qSearch
Core Search Entity	Total Core Search Share (%)
Core Search Entity	Apr-11	May-11	Point Change
Total Core Search	100.0%	100.0%	N/A
Google Sites	64.2%	63.3%	-0.9
Yahoo! Sites	17.9%	19.6%	1.7
Microsoft Sites	13.8%	13.1%	-0.7
Ask Network	2.7%	2.6%	-0.1
AOL, Inc.	1.4%	1.3%	-0.1

* "Total Core Search" is based on the five major search engines, including partner searches, cross-channel searches and contextual 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 these numbers.

Americans conducted nearly 19.3 billion total core search queries in May (up 7 percent). Google Sites ranked first with 12.2 billion searches (up 5 percent), followed by Yahoo! Sites with 3.8 billion (up 17 percent) and Microsoft Sites with 2.5 billion (up 1 percent).


comScore Total Core Search Query Report May 2011 vs. April 2011 Total U.S. – Home/Work/University Locations Source: comScore qSearch
Core Search Entity	Total Core Search Queries (MM)
Core Search Entity	Apr-11	May-11	Percent Change
Total Core Search	18,089	19,269	7%
Google Sites	11,609	12,204	5%
Yahoo! Sites	3,239	3,786	17%
Microsoft Sites	2,501	2,522	1%
Ask Network	491	502	2%
AOL, Inc.	248	254	2%

"Powered By" Reporting

As a part of comScore's commitment to accurately represent the continued evolution of the search landscape, comScore is providing insight into the share of organic Core Explicit searches that are powered by Google and Bing.

In May, 67.8 percent of searches carried organic search results from Google, which is flat month over month. 26.5 percent of searches were powered by Bing, which is also flat month over month.

About comScore

comScore, Inc. (NASDAQ: SCOR) is a global leader in measuring the digital world and preferred source of digital business analytics. For more information, please visit www.comscore.com/companyinfo.

SOURCE comScore, Inc.