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Search Engine Market Share for May 2007

Posted by Melanie Phung on Wednesday, June 20, 2007 at 9:07 pm

Nielsen//NetRatings today reported its market share data for the top 10 search engines. Google, no surprise, continues to lead with Nielsen NetRatings reporting 4.03 billion searches having been conducted on Google last month. That translates to nearly 45% year over year growth and 56.3% of total U.S. market share.

Yahoo Search is in second place with a little over 1.5 billion searches and 21.5% of the total. MSN trails a distant third with only 8.4% of all U.S. searches conducted on the Windows Live search engine. Rounding out the top 5 search engines are AOL Search and, with 5.3% and 2.5% of search market share, respectively.

At the bottom of the list is the search aggregator Dogpile, which saw fewer net searches than the previous year, with year over year growth a -10.6%.

HitWise, a competing market research firm, also released its May search data today. According to HitWise, in May Google captured a whopping 65.1% of all U.S. searches, up from 59.3% last year. The number of searches attributed by HitWise to Yahoo are in line with Nielsen’s data: 20.9%, a figure that’s down slightly from May 2006. And MSN/Live Search garnered 8.4% of searches, down from 12.1% of marketshare 12 months prior. fared a little better based on HitWise data, with 3.9% of the market compared to 2.5% that Nielsen reported. Either way, IAC’s continues to lose market share to the bigger players.

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Category: Data,Google,User Behavior,Yahoo

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