name function validity
JSESSIONID Used to identify the current sessions Until the session ends
COOKIE_PREFERENCES Used to store the selected cookie preferences 30 days


name function validity
_ga Used to distinguish users 2 years
_gid Used to distinguish users 24 hours
_gat Used to throttle request rate 1 minutes
_gac_<property-id> Contains campaign related information for the user 90 days
AMP_TOKEN Contains a token that can be used to retrieve a Client ID from AMP Client ID service 1 years