Google Analytics is a powerful tool that tracks and analyses website traffic for updated marketing decisions.
Service URL: policies.google.com (opens in a new window)
_gac_
Contains information related to marketing campaigns of the user. These are shared with Google AdWords / Google Ads when the Google Ads and Google Analytics accounts are linked together.
90 days
_Other Organiser
ID used to identify users and sessions
2 years after last activity
_Other Organiser
Used to monitor number of Google Analytics server requests
10 minutes
_Other Organiser
Used to dissinguish new sessions and visits. This cookie is set when the GA.js javascript library is loaded and there is no standing __utm cookie. The cookie is updated every time data is sent to the Google Analytics server.
30 minutes after last activity
_Other Organiser
Used only with old Urchin versions of Google Analytics and not with GA.js. Was used to dissinguish between new sessions and visits at the end of a session.
End of session
_utmz
Contains information about the traffic source or campaign that directed user to the website. The cookie is set when the GA.js javascript is loaded and updated when data is sent to the Google Anaytics server
6 months after last activity
_Other Organiser
Containers customer information set by the web developer via the _setCustomVar method in Google Analytics. This cookie is updated every time new data is sent to the Google Analytics server.
2 years after last activity
_Other Organiser
Used to determine when a user is included in an A / B or Multivariate test.
18 months
_ga
ID used to identify users
2 years
_gal i
Used by Google Analytics to delete which links on a page are being clicked
30 seconds
_ga_
ID used to identify users
2 years
_gid
ID used to identify users for 24 hours after last activity
24 hours
_gat
Used to monitor number of Google Analytics server requests when using Google Tag Manager
1 minute
