FewCookies

Cookie glossary · Strictly necessary

What is the ucData cookie?

Stores the user's consent data processed by Usercentrics CMP v3 in local storage. It is set by Usercentrics and classified as "Strictly necessary". No consent required.

At a glance

Provider Usercentrics
Category Strictly necessary
Consent required? No
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises ucData from our database of 1,300+ known cookies and classifies it automatically as "Strictly necessary". 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 ucData cookie?

No. ucData is a strictly necessary cookie, exempt from consent under Article 5(3) of the ePrivacy Directive and Law 506/2004. You may use it without the visitor's prior agreement.

What does the ucData cookie do?

Stores the user's consent data processed by Usercentrics CMP v3 in local storage.

Who sets the ucData cookie?

The ucData cookie is associated with Usercentrics and is classified as strictly necessary.