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I'd be more interested in % of participating visitors than visits. Also, commenters count, too!

• staunch 19y ago
  Exactly. Visits is not a useful measurement at all. It's the percentage of users that contribute something that's interesting and there are a lot of ways to contribute. Hitwise is also a third party without full access to the actual data for these sites. Their reports are definitely inaccurate, the question is just how inaccurate. Someone already pointed out they upload data with a downloadable client that would likely not be counted.