October 2008 Search Engine Market Share | Nielsen Online
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Google
October: 61.2%
September: 59.7%
Change: +1.5
January 2008: 56.9%
Change: +4.3
Yahoo
October: 16.9%
September: 18.1%
Change: -1.2
January 2008: 19.0%
Change: -2.1
MSN
October: 11.4%
September: 11.8%
Change: -0.4
January 2008: 12.1%
Change: -0.7
ASK
October: 2.3%
September: 2.2%
Change: +0.1
January 2008: 2.4%
Change: -0.1
AOL
October: 4.3%
September: 4.1%
Change: +0.2
January 2008: 4.7%
Change: -0.4
Data scoring techniques tend to change over time making past data inaccurate. As always, information here is for entertainment purposes only.
Source: Nielsen Online





[...] course, it’s really not Google’s fault that they run between 50-70% market share, depending on who you ask. It’s really the fault of all of us searchers. We use Google because we like the results. [...]
December 30th, 2008 at 8:38 amGreat data, thank you for sharing.
February 12th, 2009 at 11:30 amI am not sure it is global data or just the USA.
USA.
February 12th, 2009 at 11:35 am