What is a good average time on page?

There is no universal reference number; a store category page is inherently read faster than a long article, and mobile share and site speed shift it too. The valid comparison is the page against its own history and against similar pages on the same site.

Why does this not add up to session duration?

Session duration runs from a session's first event to its last, while average time on page usually drops each session's final view; summing a session's page times therefore almost always falls short of its duration.

Avg. Time on Page

Intermediate

Updated Jul 11, 2026 Shahin editorial 3 min read

PronunciationEN/ˈævərɪdʒ taɪm ɑːn peɪdʒ/

Average time on page is how long a single view of a page lasts on average, from the moment it opens until the user's next recorded event.

The figure comes from the gap between two consecutive event timestamps, so the last page of a session has no following event and that view is normally dropped from the calculation. The result is a systematic bias: exit pages and single-page visits never enter the average, which makes it look higher than reality. Tools that send periodic heartbeats or use the Page Visibility API reduce that bias, and that same difference in method is why two tools report two different numbers for the same page.

How it is calculated

Average time on page = total measured time on the page ÷ number of views with a measurable duration

The denominator includes only views with a following event; exit views are usually excluded or given a duration of zero. The result is expressed in seconds.

How it is calculated

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