analytics.js Cookies (Cookies used by Universal Analytics) The analytics.js JavaScript library sets the following first-party cookies:
_ga cookieUsed to identify unique users and expires after two years.
_gat cookie `Used to throttle the request rate, and it expires after one minute. If Google Analytics is set up using GTM, this cookie is set as dc_gtm
_gid CookieUsed to identify the user and expires in 24 hours
These cookies are set on the top-level domain so that users can be automatically tracked across subdomains without any extra configuration.
google analytics, _gid, google cookies