| YSC | Protects video playback from abuse during the current browser session | Session | YouTube / Google Ireland Limited |
| PREF | Stores player preferences such as autoplay, playback mode and player size | 8 months | YouTube / Google Ireland Limited |
| __Secure-YNID / VISITOR_INFO1_LIVE | Stores preferences and, depending on your Google settings, may also support analytics and personalisation | 6 months | YouTube / Google Ireland Limited |
| __Secure-YENID / __Secure-YEC | Protects against spam, fraud and abuse and stores YouTube preferences | 13 months | YouTube / Google Ireland Limited |
| __Secure-ROLLOUT_TOKEN | Controls the rollout of new features and measures their impact | 6 months | YouTube / Google Ireland Limited |
| AEC | Detects spam, fraud and abuse | 6 months | YouTube / Google Ireland Limited |
| vuid | Vimeo-generated identifier used to produce video analytics for the video owner | 2 years | Vimeo.com, Inc. |
| player | Stores player preferences such as volume, quality and captions | 1 year | Vimeo.com, Inc. |
| flags | Stores the player features enabled for the video | 1 year | Vimeo.com, Inc. |
| player_clearance | Bot prevention for the Vimeo player | 7 days | Vimeo.com, Inc. |
| cf_clearance | Cloudflare bot prevention for the Vimeo player | 1 year | Vimeo.com, Inc. |
| __cf_bm | Cloudflare bot detection and protection of player traffic | 30 minutes | Vimeo.com, Inc. |
| _cfuvid | Enforces rate limits and protects the service from abuse | Session | Vimeo.com, Inc. |
| [clip_id]_password | Stores access to a password-protected video when this feature is used | Session | Vimeo.com, Inc. |
