Stores

Name

_ga

Domain/Supplier

Google Analytics

Purpose

Used to distinguish users

Duration

2 years

Name

_gid

Domain/Supplier

Google Analytics

Purpose

Used to distinguish users

Duration

24 hours

Name

_gat

Domain/Supplier

Google Analytics

Purpose

Used to limit the percentage of requests. If Google Analytics has been implemented via Google Tag Manager, this cookie will be called _dc_gtm_.

Duration

1 minute

Name

_utmx

Domain/Supplier

Google Analytics

Purpose

Used to determine the inclusion of a user in an experiment

Duration

18 months

Name

_utmxx

Domain/Supplier

Google Analytics

Purpose

Used to determine the inclusion of a user in an experiment. Used to determine the expiration of experiments in which a user has been included

Duration

18 months

Name

_utma

Domain/Supplier

Google Analytics

Purpose

Used to distinguish users and sessions. The cookie is created when the JavaScript library is run and there is no __utma cookie. The cookie is updated each time data is sent to Google Analytics.

Duration

2 years

Name

_utmt

Domain/Supplier

Google Analytics

Purpose

Used to limit the percentage of requests.

Duration

10 minutes

Name

_utmb

Domain/Supplier

Google Analytics

Purpose

Used to determine new sessions or visits. The cookie is created when the JavaScript library is run and there is no __utmb cookie. The cookie is updated each time data is sent to Google Analytics.

Duration

30 minutes

Name

__utmc

Domain/Supplier

Google Analytics

Purpose

Not used in ga.js. Configured to interact with urchin.js. This cookie previously worked in conjunction with the __utmb cookie to determine if the user was in a new session or visit.

Duration

Session

Name

_utmz

Domain/Supplier

Google Analytics

Purpose

Stores the source of traffic or the campaign that explains how the user has arrived at the website. The cookie is created when the JavaScript library is run and updated each time data is sent to Google Analytics.

Duration

6 months

Name

_utmv

Domain/Supplier

Google Analytics

Purpose

Used to store custom variable data at the visitor level. This cookie is created when a programmer uses the _setCustomVar method with a custom variable at the visitor level. It was also used for the _setVar method, which is no longer available. The cookie is updated each time data is sent to Google Analytics.

Duration

2 years

Name

_dc_gtm_UA- #

Domain/Supplier

Google Tag Manager

Purpose

Used by Google Tag Manager to control the loading of a Google Analytics script tag.

Duration

1 day

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