Preference cookies enable a website to remember information that changes the way the website behaves or looks, like your preferred language or the region that you are in.
| Cookie name | Provider | Purpose | Expiry |
|---|
| DEVICE_INFO | youtube.com | Used to track user's interaction with embedded content. | 180 days |
| twk_uuid_# | https://lerochem.eu | | 180 days |
| VISITOR_INFO1_LIVE | youtube.com | Tries to estimate the users' bandwidth on pages with integrated YouTube videos. | 180 days |
| YSC | youtube.com | Registers a unique ID to keep statistics of what videos from YouTube the user has seen. | Session |
| ytidb::LAST_RESULT_ENTRY_KEY | youtube.com | It records the user's video player preferences when viewing embedded YouTube videos. | Persistent |
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