October 12, 2026 · This visit’s duration is kept only in this page.
What is passed on
Begin starts the first duration. Pass it on ends it and starts a second duration of the same length. The line stays the same at this boundary. When the second duration ends, the line disappears. There is no minimum wait.
Time while the page is hidden is excluded from both durations. Browser timing is approximate. This records page events; it cannot measure attention or tell why you waited.
Begin again starts a new first duration. Reload returns to the opening state. Nothing is sent, and no duration is saved between visits.