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In October 2009, Americans conducted 14.3 billion core searches, with Google Sites accounting for 65.4 percent search market share, up from 64.9 percent in September. Microsoft Sites grabbed 9.9 percent market share, up 0.5 percentage points versus September.
October 2009 U.S. Core Search Rankings
Google Sites led the U.S. core search market in October with 65.4 [...]

Facebook and YouTube Combined Account for Nearly 10 Percent of Time Spent Online Globally
comScore  today released a study of online engagement at the top worldwide properties based on data from its comScore World Metrix service. The study found that Microsoft Sites captured nearly 15 percent of time spent online worldwide in September, making [...]

The following report shows search engines for the industry ‘All Categories’, ranked by Volume of Searches for the 4 weeks ending 06/27/2009.

Data Source: Hitwise

The following report shows websites for the industry ‘Computers and Internet – Search Engines’, ranked by Visits for the week ending 06/27/2009.

Data Source: Hitwise