Teaching

2022-23

Cookie Name	Default expiration time	Description
`_ga`	2 years	Used to distinguish users.
`_gid`	24 hours	Used to distinguish users.
`_gat`	1 minute	Used to throttle request rate. If Google Analytics is deployed via Google Tag Manager, this cookie will be named `_dc_gtm_<property- id>`.
`AMP_TOKEN`	30 seconds to 1 year	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.
`_gac_<property-id>`	90 days	Contains campaign related information for the user. If you have linked your Google Analytics and Google Ads accounts, Google Ads website conversion tags will read this cookie unless you opt-out. Learn more.