FewCookies

Cookie glossary · Marketing

What is the GCM cookie?

Adform cookie storing the consent state passed via Google Consent Mode for advertising. It is set by Adform and classified as "Marketing". Requires consent.

At a glance

Provider Adform
Category Marketing
Consent required? Yes
Typical domain .adform.net

How FewCookies handles this cookie

FewCookies recognises GCM 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 GCM cookie?

Yes. GCM 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 GCM cookie do?

Adform cookie storing the consent state passed via Google Consent Mode for advertising.

Who sets the GCM cookie?

The GCM cookie is associated with Adform and is classified as marketing.