FewCookies

Cookie glossary · Marketing

What is the uuid2 cookie?

MediaMath cookie that stores a unique identifier for ad targeting. It is set by MediaMath and classified as "Marketing". Requires consent.

At a glance

Provider MediaMath
Category Marketing
Consent required? Yes
Typical domain .mathtag.com

How FewCookies handles this cookie

FewCookies recognises uuid2 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 uuid2 cookie?

Yes. uuid2 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 uuid2 cookie do?

MediaMath cookie that stores a unique identifier for ad targeting.

Who sets the uuid2 cookie?

The uuid2 cookie is associated with MediaMath and is classified as marketing.