A cookie is a small piece of data or message that is sent from an organisation's web server to your web browser and is then stored on your hard drive. Cookies can not read data on your hard drive or cookie files created by other sites, and do not damage your system.
You can reset your browser to refuse any cookies or to inform you when a cookie is being set. Web browsers allow you to control cookies stored on your hard drive through the web browser settings.
Please find a list of the cookies below:
| Google Analytics cookies |
Default expiration time | ||
|---|---|---|---|
| _utma |
Used to distinguish users and sessions. |
2 years from set/update | |
| _utmb | 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. |
30 mins from set/update | |
| _utmc | 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. |
End of browser session | |
| _utmt | Used to throttle request rate. | 10 minutes | |
| _utmz | 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. |
6 months from set/update | |
| ga | Used to distinguish users | 2 years | |
| gat | Used to throttle request rate. | 10 minutes |