Google accounted for 67.25% of all US searches in the four weeks ended March 29, 2008 - the highest proportion of searches it has ever achieved, and up some 5% from a year earlier, when it accounted for 64.13% of searches, according to Hitwise.

Yahoo Search, MSN Search and Ask.com received, respectively, 20.29%, 5.25% and 4.09% of US searches in March. The remaining 46 search engines in the Hitwise Search Engine Analysis Tool together accounted for 1.72% of US searches.

Ask.com was up 18% year-over-year, though down from the previous month. Yahoo and MSN were both down month-over-month as well as year-over-year.

Search Traffic to Key Industries

Search engines remain the primary way for internet users to navigate to various key industry categories.

From March ‘07 to March ‘08, the Travel, Entertainment, Business and Finance and Sports categories increased by double digits their share of traffic coming directly from search engines.