comScore Releases February 2012 U.S. Search Engine Rankings; Google Leads with 66.4%

U.S. Explicit Core Search Google Sites led the U.S. explicit core search market in February with 66.4 percent market share (up 0.2 percentage points), followed by Microsoft Sites with 15.3 percent (up 0.1 percentage points) and Yahoo! Sites with 13.8 percent. Ask Network accounted for 3.0 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.