Shows the date/time when an object was first tracked.


See our use case for more information.


This is available for the following dimensions:

Default dimensions

  • Campaigns
  • Events
  • Pages
  • Media
  • Products
  • Referrer (Entry Sources, Referrer URLs, Other Sources, Search Engines, Social Media Referrer)

Custom parameters

Custom parameters need to be activated separately. Please see our guide here.

  • Campaign parameters
  • Event parameters
  • Page parameters
  • E-Commerce parameters
  • Session parameters


For the following dimensions, no separate first-occurrence elements are available: Entry Sources, Referrer URLs, Other Sources, Search Engines, and Social Media Referrer. Instead, you can use the dimensions "Date of first occurrence Referrer" and "First occurrence Referrer."