comScore Releases U.S. Search Engine Rankings for March 2009

RESTON, VA, April 15, 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 March 2009, Americans conducted 14.3 billion core searches, a 9-percent gain versus February.

March 2009 U.S. Core Search Rankings

Google Sites led the U.S. core search market in March with 63.7 percent of the searches conducted, followed by Yahoo! Sites (20.5 percent), Microsoft Sites (8.3 percent), Ask Network (3.8 percent) and AOL LLC (3.7 percent).

Americans conducted 14.3 billion searches at the core search engines, up 9 percent from February. Google Sites accounted for 9.1 billion core searches, followed by Yahoo! Sites with 2.9 billion and Microsoft Sites with 1.2 billion.

In the comScore March 2009 analysis of the top properties where search activity is observed, Google Sites led with 12.4 billion searches, up 10 percent versus February. Yahoo! Sites ranked second with 3.1 billion searches, followed by Microsoft Sites (1.2 billion) and AOL LLC (813 million).

Source: comScore