Top 15 US Websites (All Categories), July 2009
Rank Website Market Share of Visits
1 Google 6.84%
2 Facebook 4.36%
3 Yahoo! Mail 4.31%
4 Yahoo! 3.22%
5 MySpace 3.16%
6 Windows Live Mail 1.66%
7 YouTube 1.61%
8 MSN 1.47%
9 Yahoo! Search 1.42%
10 eBay 1.15%
11 Gmail 0.91%
12 Bing 0.64%
13 AOL Mail 0.54%
14 AOL 0.50%
15 Google Image Search 0.49%
Note: The Hitwise data featured is based on US market share of visits as defined by the IAB—the
percentage of online traffic to the domain or category—from the Hitwise sample of 10 million US
Internet users. Hitwise measures more than 1 million unique websites on a daily basis, including sub-
domains of larger websites. Hitwise categorizes websites into industries on the basis of subject matter
and content, as well as market orientation and competitive context. The market share of visits
percentage does not include traffic for all sub-domains of certain websites that could be reported on
separately.
Source: Hitwise
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