1 If I had to live with just one user engagement metric, it would be Visitor Recency
2 *A number of caveats: Of course, to get a full idea of a site's engagement you need a battery of metrics, not just one; My answer is for sites that ..
3 Visitor Recency is the best way to measure that.

Visitor Recency is the best way to measure that.

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@jimmyrim: 필독시리즈 (1) What are the best metrics for measuring user engagement? http://t.co/9iYGEEoi