New York—Google is still the dominant search engine by a wide margin, according to Hitwise, which released search engine market share data Wednesday. The top three search engines—Google, Yahoo! Search and MSN Search—accounted for 93.5% of U.S. searches in July. Google garnered 59.2% of searches. Yahoo! Search and MSN search captured 28.8% and 5.5% shares, respectively, in July.