comScore: U.S. Search: Yahoo and Bing Gains on Google for April 2011

Google Sites led the U.S. explicit core search market in April with 65.4 percent market share, followed by Yahoo! Sites with 15.9 percent (up 0.2 percentage points) and Microsoft Sites with 14.1 percent (up 0.2 percentage points). Ask Network accounted for 3.0 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.