Marketing cookies – are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third- party advertisers.
| Cookie | Description |
|---|---|
| _gcl_au | used by Google AdSense for experimenting with advertisement efficiency across websites using their services. |
| GPS | registers a unique ID on mobile devices to enable tracking based on geographical GPS location. |
| IDE | used by Google DoubleClick to register and report the website user’s actions after viewing or clicking one of the advertiser’s ads with the purpose of measuring the efficacy of an ad and to present targeted ads to the user. |
| PREF | registers a unique ID that is used by Google to keep statistics of how the visitor uses YouTube videos across different websites. |
| test_cookie | used to check if the user’s browser supports cookies. |
| VISITOR_INFO1_LIVE | tries to estimate the users’ bandwidth on pages with integrated YouTube videos. |
| YSC | registers a unique ID to keep statistics of what videos from YouTube the user has seen. |
| yt-remote-cast-installed | stores the user’s video player preferences using embedded YouTube video |
| yt-remote-connected-devices | stores the user’s video player preferences using embedded YouTube video |
| yt-remote-device-id | stores the user’s video player preferences using embedded YouTube video |
| yt-remote-fast-check-period | stores the user’s video player preferences using embedded YouTube video |
| yt-remote-session-app | stores the user’s video player preferences using embedded YouTube video |
| yt-remote-session-name | stores the user’s video player preferences using embedded YouTube video |