How is a session (visit) counted in Piwik PRO?
A session (aka visit) is counted when a visitor comes to your website or when he returns after at least 30 minutes after the end of the last session. A session starts with the first event and ends 30 minutes after the last event.
During the first session, the visitor is recorded as
new visitor. When he visits again, he’s recorded as
The visitor may have many sessions in a day.