What the xs cookie does
Used in conjunction with the c_user cookie to authenticate your identity to Facebook. Contents: Session ID, creation time, authentication value, secure session state, caching group ID
Who sets it
Consent category: marketing
Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.
| Name | xs |
|---|---|
| Category | Marketing |
| Lifetime | 90 days |
| Set by |
Other cookies from the same vendor
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Conzent's scanner lists every cookie your site sets, classifies each one the way this page does, and shows which are set before the visitor has consented. Try Conzent free for 14 days, or look up another cookie.
From the Conzent cookie database, last updated 2026-11-12. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.