The total amount of time a user spends on a website during one visit.
Session duration is the length of time a user spends in a session. It can be a useful engagement signal, but it’s heavily influenced by tracking rules, idle time, and how sessions end. Treat it as a diagnostic metric, not a KPI on its own.
Browse related definitions in the same glossary category.
Acquisition Channel
The source through which users find your website - such as organic search, paid search, social media, or referrals.
Acquisition Cost (CPA)
Cost Per Acquisition - the average amount spent to generate one booking, enquiry or conversion.
Anonymous Traffic
Website visits where user data or referrer information is not available due to privacy settings or tracking restrictions.
Attribution Model
A rule that determines how credit for conversions is assigned to different marketing touchpoints (e.g., first click, last click, data-driven).
Average Position
A metric indicating where a page typically ranks in search results for a given query. Replaced by average ranking in GA4.
Behaviour Flow
A report in analytics tools showing how users navigate between pages and where they drop off.
Understanding "Session Duration" is just the first step. Our team at TwoSquares specializes in technical SEO and digital strategy, helping brands turn complex concepts into measurable growth.