Nielsen: Yahoo, Bing Down, Google Up in December

Jan 13, 2010 at 1:52pm ET by Greg Sterling

Nielsen has released its December 2009 search engine rankings. They reflect gains by Google and a minor gain by AOL compared with November 2009. The data show declines by Yahoo and Bing. Here is the chart:

Compare data from November:

And finally, compare comScore’s November search rankings:

I think there can be no argument now that Yahoo has lost ground over the past several months.

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Greg Sterling is a Contributing Editor at Search Engine Land, and writes a personal blog Screenwerk, examining the broader world of media and advertising. He also posts at Internet2Go, which is focused on the mobile Internet.

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