Another source of confusion is “bounce rate”, which is a different number, too. Dwell time combines these two — session duration and bounce rate.

Dwell time is a metric that calculates user engagement, session duration, and SERP CTRs. It is a data point that is not publicly available (or thoroughly understood), but is nonetheless a factor that affects a site's search engine results.

Dwell time is a metric that calculates user engagement, session duration, and SERP CTRs. It is a data point that is not publicly available (or thoroughly understood), but is nonetheless a factor that affects a site’s search engine results.