| Cookie | Domain | Description | Duration | Type |
|---|---|---|---|---|
| YSC | .youtube.com | Set by YouTube to track views of embedded videos on YouTube pages. | Session | Analytics |
| __Secure-ROLLOUT_TOKEN | .youtube.com | Used by YouTube to manage feature rollout and experimentation to ensure a consistent experience during staged testing. | 6 months | Advertisement |
| VISITOR_INFO1_LIVE | .youtube.com | Measures bandwidth to determine whether the user gets the new or old YouTube player interface. | 6 months | Functional |
| VISITOR_PRIVACY_METADATA | .youtube.com | Stores the user’s cookie consent state for the current domain. | 6 months | Necessary |
| __Secure-YEC | .youtube.com | Used by YouTube for security and session management purposes. | Past | Other |
| yt-remote-connected-devices | youtube.com | Stores video preferences of the user using embedded YouTube videos. | Never | Functional |
| ytidb::LAST_RESULT_ENTRY_KEY | youtube.com | Stores the last search result entry clicked by the user to improve future search relevance. | Never | Functional |
| yt-remote-device-id | youtube.com | Stores video preferences of the user using embedded YouTube videos. | Never | Functional |
| wpEmojiSettingsSupport | sdkpsychotherapy.co.uk | Set by WordPress when a user interacts with emojis to determine browser compatibility. | Session | Necessary |
| yt-remote-session-name | youtube.com | Stores user video player preferences for embedded YouTube videos. | Session | Functional |
| yt-remote-fast-check-period | youtube.com | Stores video player preference checking frequency for embedded YouTube videos. | Session | Functional |
| yt-remote-session-app | youtube.com | Stores user preferences and interface information for the embedded YouTube video player. | Session | Functional |
| yt-remote-cast-available | youtube.com | Stores whether casting is available on the user’s YouTube video player. | Session | Functional |
| yt-remote-cast-installed | youtube.com | Stores the user’s video player preferences for embedded YouTube videos. | Session | Functional |
