Contains a token that can be used to retrieve a Client ID from AMP Client ID service. Other possible values indicate opt-out, inflight request or an error retrieving a Client ID from AMP Client ID service.
Expires after
30 seconds to 1 year
Cookie
_gac_XXX
Purpose
Contains Google Ads campaign related information for the user.
Expires after
90 days
Cookie
_ga_XXX
Purpose
Used to persist session state.
Expires after
2 years
Cookie
_gac_gb_XXX
Purpose
Contains Google Ads campaign related information for the user.