Cookie database › Facebook

m_user cookie

Marketing cookie set by Facebook, lasting 90 days.

What the m_user cookie does

Used to authenticate your identity on Facebook's mobile website. Contents: Email, User ID, authentication value, version, user agent capability, creation time, Facebook version indicator

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.

Namem_user
CategoryMarketing
Lifetime90 days
Set byFacebook

Other cookies from the same vendor

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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.