comScore Releases May 2011 U.S. Search Engine Rankings; Google Leads with 65.5% Share

comScore, Inc. SCOR today released its monthly comScore qSearch analysis of the U.S. search marketplace. Google Sites led the explicit core search market in May with 65.5 percent of search queries conducted. The May 2011 qSearch data represents the second month of results including the impact of Yahoo! Search Direct, Yahoo!'s new feature that delivers search results in real-time while users type their query. U.S. Explicit Core Search Google Sites led the U.S. explicit core search market in May with 65.5 percent market share (up 0.1 percentage points), followed by Yahoo! Sites with 15.9 percent and Microsoft Sites with 14.1 percent. Ask Network accounted for 2.9 percent of explicit core searches, followed by AOL, Inc. with 1.5 percent.