| Cookie | Duration | Description |
|---|---|---|
| __utma | 1 year 1 month 4 days | Google Analytics sets this cookie to distinguish users and sessions. The cookie is created when the JavaScript library executes and there are no existing __utma cookies. The cookie is updated every time data is sent to Google Analytics. |
| __utmb | 30 minutes | Google Analytics sets this cookie to determine new sessions/visits. __utmb cookie is created when the JavaScript library executes and there are no existing __utma cookies. It is updated every time data is sent to Google Analytics. |
| __utmc | session | Google Analytics sets this cookie to enable interoperability with urchin.js, an older version of Google Analytics and is used in conjunction with the __utmb cookie to determine new sessions/visits. It is deleted when the user closes the browser. |
| __utmt | 10 minutes | Google Analytics sets this cookie to inhibit the request rate. |
| __utmz | 6 months | Google Analytics sets this cookie to store the traffic source or campaign by which the visitor reached the site. |
