FewCookies

Cookie glossary · Marketing

What is the fbm_* cookie?

Facebook cookie that stores account details for social plugins. It is set by Facebook and classified as "Marketing". Requires consent.

At a glance

Provider Facebook
Category Marketing
Consent required? Yes
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises fbm_* from our database of 1,300+ known cookies and classifies it automatically as "Marketing". The free check tells you whether this cookie is detected on your site and whether your banner handles it correctly — an instant, surface-level check, no account needed.

Check your site for free →

Frequently asked questions

Do you need consent for the fbm_* cookie?

Yes. fbm_* is a "Marketing" cookie, so it is not strictly necessary. Under the ePrivacy Directive (2002/58/EC) and Romania's Law 506/2004, you must obtain the visitor's explicit consent before setting it.

What does the fbm_* cookie do?

Facebook cookie that stores account details for social plugins.

Who sets the fbm_* cookie?

The fbm_* cookie is associated with Facebook and is classified as marketing.