comScore: August 2009 U.S. Search Engine Rankings

RESTON, VA, September 22, 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 August 2009, Americans conducted more than 13.9 billion core searches, with Google Sites accounting for 64.6 percent search market share. Microsoft Sites grabbed 9.3 percent market share, a 0.4-percentage point gain versus July.

August 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in August with 64.6 percent of the searches conducted, followed by Yahoo! Sites (19.3 percent), and Microsoft Sites (9.3 percent). Ask Network captured 3.9 percent of the search market, followed by AOL LLC with 3.0 percent.

Americans conducted 13.9 billion searches in August, up 3 percent from July. Google Sites accounted for 9 billion searches, followed by Yahoo! Sites (2.7 billion), Microsoft Sites (1.3 billion), Ask Network (541 million) and AOL LLC (415 million).

August 2009 U.S. Expanded Search Rankings

In the August 2009 analysis of the top properties where search activity is observed, Google Sites led the search market with 13 billion search queries, followed by Yahoo! Sites with 2.8 billion queries. Microsoft Sites ranked third with more than 1.3 billion searches, up 6 percent from July, followed by craigslist, inc. with 682 million searches. Facebook.com experienced the largest growth of the top ten expanded search properties with a 20-percent increase in query volume to 324 million searches.

Source: comScore