FewCookies

Cookie glossary · Marketing

What is the put_* cookie?

Magnite (Rubicon) sync cookies that map the user's IDs to bidding partners' IDs. It is set by Magnite (Rubicon Project) and classified as "Marketing". Requires consent.

At a glance

Provider Magnite (Rubicon Project)
Category Marketing
Consent required? Yes
Typical domain .rubiconproject.com

How FewCookies handles this cookie

FewCookies recognises put_* 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 put_* cookie?

Yes. put_* 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 put_* cookie do?

Magnite (Rubicon) sync cookies that map the user's IDs to bidding partners' IDs.

Who sets the put_* cookie?

The put_* cookie is associated with Magnite (Rubicon Project) and is classified as marketing.