Google is clearly continuing to dominate the search engine market. Nielsen Online reported this month that Google has a 64.2% share of the search market, with Yahoo trailing in second with a 15.8% share of U.S. searches.
Top Search Providers for March 2009
Top Search Providers for March 2009 from Nielsen Online
I’m not saying to ignore the smaller search engines as they may be less competitive and easier to rank higher on. However, focusing your search engine optimization and search engine marketing time and efforts on Google will definitely give you the best exposure.
Source: Nielsen Online – http://www.nielsen-online.com/pr/pr_090410.pdf