Google has increased its share of the US Web search market to 47.4%, with a gain of 0.4% during December, while number two-ranked Yahoo also edged higher, a survey said yesterday.
Web audience measurement firm comScore Networks said number three-ranked Microsoft's share slid 0.5%, to 10.5% of US Web searches, while IAC/InterActiveCorp's Ask.com's share dipped 0.1%, to 5.4%.
Google has gained share in 16 of the last 17 months in the US, the world's largest Internet market, according to comScore data.
Yahoo's share of the market rose 0.3%, to 28.5%, in December over November, the survey found.
An estimated 6.7 billion searches were conducted by US Web users in December, up 1% from November.
The number of US Web search queries has grown 30% since December 2005, comScore said. Consumers performed 3.2 billion searches on Google sites, while Yahoo drew 1.9 billion searches.
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