Today, comScore released its monthly comScore qSearch analysis of the search marketplace. Among core search engines in August 2007, Google Sites remained the top search property with more than 5.5 billion core searches conducted, representing a 56.5 percent share of the search market. Time Warner Network was the only other core search engine property to increase share, up 0.1 share point to 4.5 percent, with 441 million searches.

In comScore’s recently introduced expanded search report, the largest gains were recorded by YouTube and Craigslist, with 9.0-percent and 7.6-percent increases in their number of search queries.

August U.S. Core Search Rankings

In August, Google Sites maintained its position atop the core search rankings with 56.5 percent of U.S. searches, gaining 1.3 share points versus the previous month. Yahoo! Sites ranked second with 23.3 percent, followed by Microsoft Sites (11.3 percent), Time Warner Networks (4.5 percent) and Ask Network (4.5 percent).

comScore Core Search Report* August 2007 Total U.S. – Home/Work/University Locations Source: comScore qSearch 2.0
Core Search Entity	Share of Searches (%)
	Jul - 07	Aug -07	Point Change Aug-07 vs. Jul-07
Total Core Search	100.0%	100.0%	N/A
Google Sites	55.2%	56.5%	1.3
Yahoo! Sites	23.5%	23.3%	-0.2
Microsoft Sites	12.3%	11.3%	-1.0
Time Warner Network	4.4%	4.5%	0.1
Ask Network	4.7%	4.5%	-0.2

*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.

Nearly 5.5 billion core searches were conducted at Google Sites during the month, marking a 1.6 percent increase in volume versus July. Time Warner Network, assisted by gains at AOL, gained in query volume, with a 1.2-percent increase to 441 million searches.

comScore Core Search Report* August 2007 Total U.S. – Home/Work/University Locations Source: comScore qSearch 2.0
Core Search Entity	Search Queries (MM)
	Jul - 07	Aug -07	Percent Change Aug-07 vs. Jul-07
Total Core Search	9,896	9,820	-0.8%
Google Sites	5,459	5,545	1.6%
Yahoo! Sites	2,325	2,290	-1.5%
Microsoft Sites	1,214	1,106	-8.9%
Time Warner Network	436	441	1.2%
Ask Network	462	438	-5.1%

*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.

August U.S. Expanded Search Rankings

In the August 2007 analysis of the Top 50 properties worldwide where search activity is observed, Google Sites led the pack with 6.8 billion searches. Yahoo! Sites ranked second with nearly 2.5 billion searches, followed by Microsoft Sites (1.1 billion), Time Warner Network (937 million) and Fox Interactive Media (571 million).