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| Cookie name | Duration | Description | Purpose |
|---|---|---|---|
| Google analytics | |||
| _ _utma | 2 years from set/update | Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing _ _utma cookies exists. The cookie is updated every time data is sent to Google Analytics. | Tracks how many times (if any) you have visited the Trainee Information System (TIS) website. |
| _ _utmt | 10 minutes | Used to throttle request rate. | |
| _ _utmb | 30 minutes after your visit, or after 30 minutes of inactivity | 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. | Tracks how long you have spent on the website. |
| _ _utmc | End of browser session | 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. | |
| _ _utmd | 6 months after it was last set | Gives us information on how the site was reached (e.g. directly or a link, organic search or paid search) | |
| _ _utmz | 6 months after it was last set | 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. | Identifies where you've come from e.g. from a search engine or from another website |
| _ _utmv | 2 years from set/update | 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. | |
| Content experiments - cookie usage | |||
_ _utmx | 18 months | used to determine a user's inclusion in an experiement | |
| _ _utmxx | 18 months | Used to determine the expiry of experiements a user has been included in | |
| Optimize 360 - cookie usage | |||
| _gaexp | Depends on the length of the experiment but typically 90 days. | Used to determine a user's inclusion in an experiment and the expiry of experiments a user has been included in. | |
| Keycloak and application cookies <<Requires dev input>> | |||
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