is a group of interactions that take place on your website within a given time frame. For example a single session can contain multiple screen or page views, events, social interactions, and ecommerce transactions.
A single user can open multiple sessions. Those sessions can occur on the same day, or over several days, weeks, or months. As soon as one session ends, there is then an opportunity to start a new session. There are two methods by which a session ends:
Time-based expiration (including end of day):
- After 30 minutes of inactivity
- At midnight
- If a user arrives via one campaign, leaves, and then comes back via a different campaign.
replaced Unique Visits. I can be 1 user but count for multiple sessions.