@cjerrington I don't see a point in adding one myself as I'm too volatile to chasing numbers, but let me think what I'd add...
total word count, minutes needed to read all posts, longest article, shortest article, most active month, any variation of the above split into time chunks (e.g. last 6 months?)
And I'm not sure if you run analytics but I've seen a few blogs making their traffic stats public.
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