[KongchangAI]
Unverified50% confidenceSolutionExact time

The article proposes dividing measurement metrics into three layers: the attention layer (page views, dwell time), the engagement layer (scroll depth, code copy rate, bookmarks), and the understanding layer (quiz correct answer rate, in-depth comments, secondary citations, successful reproduction).

1
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50%
Confidence
Long-term
Relevance
9/12/2026
First Seen

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