GA uses first-party tracking cookies only, which are
considered minimally intrusive by the new EU Privacy Directive. To be compliant
with the Directive, you need to list these cookies in your privacy policy and
request users’ consent to use them.
Cookie Name
|
Default Expiration Time
|
Purpose
|
Description
|
| __utma | 2 years from set/update | Visitor identifier | Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing __utma cookies exist. The cookie is updated every time data is sent to Google Analytics. |
| __utmb | 30 mins from set/update | Session identifier | Used to determine new sessions/visits. The cookie is created when the javascript library executes and no existing __utmb cookies exists. The cookie is updated every time data is sent to Google Analytics |
| __utmc | End of browser session | Session identifier | Not used in ga.js. Set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit. |
| __utmz | 6 months from set/update | Stores the campaign tracking values that are passed via tagged URLs | Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when the javascript library executes and is updated every time data is sent to Google Analytics. |
| __utmv | 2 years from set/update | Custom visitor segmentation | Used to store visitor-level custom variable data. This cookie is created when a developer uses the _setCustomVar method with a visitor level custom variable. This cookie was also used for the deprecated _setVar method. The cookie is updated every time data is sent to Google Analytics. |
For More Information on Cookies Usage click here : - Google Analytics Cookie Usage on Websites
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