March 2005 search engine market shares: Google – 36.4%, Yahoo! – 30.6%, MSN – 16.5%

In March 2005 Google continued to lead other search engines with a 36.4% share, up 0.5% YTY, according to comScore Networks. Yahoo! was #2 with 30.6%, up 0.6% YTY. MSN Search had 16.5%, increasing 0.8% YTY. AOL Search lost 4.5% of the market, falling from 13.4% in March 2004 to 8.9% in March 2005. Ask.com went up from 1.8% in March 2004 to 5.5% in March 2005.