FewCookies

Cookie glossary · Strictly necessary

What is the mkto_opt_out cookie?

Marketo cookie that stores the visitor's choice to opt out of Munchkin tracking. It is set by Marketo (Adobe) and classified as "Strictly necessary". No consent required.

At a glance

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

How FewCookies handles this cookie

FewCookies recognises mkto_opt_out 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 mkto_opt_out cookie?

No. mkto_opt_out 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 mkto_opt_out cookie do?

Marketo cookie that stores the visitor's choice to opt out of Munchkin tracking.

Who sets the mkto_opt_out cookie?

The mkto_opt_out cookie is associated with Marketo (Adobe) and is classified as strictly necessary.