FewCookies

Cookie glossary · Strictly necessary

What is the OptanonControl cookie?

Auxiliary OneTrust cookie used to control the consent banner display logic. It is set by OneTrust and classified as "Strictly necessary". No consent required.

At a glance

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

How FewCookies handles this cookie

FewCookies recognises OptanonControl 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 OptanonControl cookie?

No. OptanonControl 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 OptanonControl cookie do?

Auxiliary OneTrust cookie used to control the consent banner display logic.

Who sets the OptanonControl cookie?

The OptanonControl cookie is associated with OneTrust and is classified as strictly necessary.