Google extended its lead in US Web Search to 63% share of the market in August. This is the biggest monthly gain in 5 months.
Yahoo Inc, (No. 2 player in the U.S. Web search market) has a drop of 0.9% to 19.6 from July while Microsoft, (No. 3 U.S), slipped 0.6% to 8.3 %, according to ComScore Inc.
IAC InterActiveCorp's Ask.com retained its 4th position with an increase of 0.3% percent while Time Warner Inc's AOL edged up 0.1 percent to 4.3 percent.
ComScore estimates that the number of searches performed by U.S. Web surfers on the five top search engines was virtually unchanged at 11.75 billion searches compared with July.