FewCookies

Cookie glossary · Marketing

What is the _rdt_uuid cookie?

Reddit Pixel cookie for tracking conversions from Reddit advertising campaigns. It is set by Reddit and classified as "Marketing". Requires consent.

At a glance

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

How FewCookies handles this cookie

FewCookies recognises _rdt_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.

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Frequently asked questions

Do you need consent for the _rdt_uuid cookie?

Yes. _rdt_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 _rdt_uuid cookie do?

Reddit Pixel cookie for tracking conversions from Reddit advertising campaigns.

Who sets the _rdt_uuid cookie?

The _rdt_uuid cookie is associated with Reddit and is classified as marketing.