comScore Releases January 2011 U.S. Search Engine Rankings
RESTON, VA, February 11, 2011 – comScore, Inc., a leader in measuring the digital world, today released its 
monthly comScore qSearch analysis of the U.S. search marketplace. Google Sites led the explicit core search market in January with 65.6 percent of searches conducted.
U.S. Explicit Core Search
Google Sites led the U.S. explicit core search market in January with 65.6 percent market share, followed by Yahoo! Sites with 16.1 percent and Microsoft Sites with 13.1 percent (up 1.1 percentage points). Ask Network accounted for 3.4 percent of explicit core searches, followed by AOL LLC Network with 1.7 percent. (more…)