FewCookies

Cookie glossary · Marketing

What is the _lr_uuid cookie?

LiveRamp cookie storing a unique user identifier for the identity graph and ad targeting. It is set by LiveRamp and classified as "Marketing". Requires consent.

At a glance

Provider LiveRamp
Category Marketing
Consent required? Yes
Typical domain .liveramp.com

How FewCookies handles this cookie

FewCookies recognises _lr_uuid 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 _lr_uuid cookie?

Yes. _lr_uuid 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 _lr_uuid cookie do?

LiveRamp cookie storing a unique user identifier for the identity graph and ad targeting.

Who sets the _lr_uuid cookie?

The _lr_uuid cookie is associated with LiveRamp and is classified as marketing.