Key Events
Key events · The GA4 events that have been marked as especially important.
Understand Key events in context.
Simply explained explanation
The GA4 events that have been marked as especially important.
Professional explanation
User-defined events flagged as key events in a GA4 property; these signal valuable interactions.
Analytical explanation
Check whether the flagged events are stable and commercially meaningful. Marking an event as key changes interpretation of engagement and rate metrics.
Technical explanation
GA4 Data API: keyEvents. Key-event settings live in the GA4 property; counts are not necessarily identical to imported Google Ads conversions.
Four complementary explanations — choose your level. Technical definitions are platform-specific where noted.
↗ How to use it
Keep a documented goal taxonomy.
⚠ Common interpretation mistake
A GA4 key event is not automatically a Google Ads primary conversion.