Quick answer
An engaged session is a session that lasted at least 10 seconds, included at least two pageviews, or completed a key event. Engagement rate is engaged sessions divided by all sessions.
Formula: engagement rate = engaged sessions ÷ sessions · engaged = duration ≥ 10 s OR pageviews ≥ 2 OR key event
What is an engaged session?
An engaged session is a visit where the person did more than glance at the page. A session counts as engaged if any of these is true:
- It lasted 10 seconds or more.
- It had 2 or more pageviews.
- It included a key event, such as a sign-up or purchase you marked as a key goal.
engagement rate = engaged sessions ÷ sessionsA sample day
Six sessions on a landing page (sample):
| Session | Pages | Duration | Key event | Engaged? | Bounce? |
|---|---|---|---|---|---|
| A | 1 | 4 s | — | No | Yes |
| B | 1 | 45 s | — | Yes (time) | Yes |
| C | 3 | 2 min | — | Yes | No |
| D | 1 | 20 s | Sign-up | Yes | No |
| E | 2 | 8 s | — | Yes (pages) | No |
| F | 1 | 6 s | — | No | Yes |
Engagement rate = 4 ÷ 6 = 67%. Bounce rate = 3 ÷ 6 = 50%. Session B is both engaged and a bounce: someone read the page for 45 seconds and left. The two metrics measure different things, so one is not simply the other inverted.
What changes the number
- Key events. Marking a goal as a key event makes every session that hits it engaged, even if it was short.
- Single-page sites. With one page, only time and key events can make a session engaged.
- Timing. Duration needs a signal when the visitor leaves; very short visits that close the tab may be recorded with little time.
Engaged sessions in TapCub
The data report in Web analytics shows engaged rate: engaged sessions divided by sessions, where engaged means at least 10 seconds, at least 2 pageviews, or a hit on an enabled goal marked as a key event. If no goal is marked as key, the rate is in practice decided by "10 seconds or 2 pages". Definitions are in the metrics docs.
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