FewCookies

Cookie glossary · Analytics

What is the _dc_gtm_* cookie?

Google Tag Manager cookie used to control tag loading. It is set by Google Tag Manager and classified as "Analytics". Requires consent.

At a glance

Provider Google Tag Manager
Category Analytics
Consent required? Yes
Typical domain Varies (first-party)

How FewCookies handles this cookie

FewCookies recognises _dc_gtm_* from our database of 1,300+ known cookies and classifies it automatically as "Analytics". 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 _dc_gtm_* cookie?

Yes. _dc_gtm_* is a "Analytics" 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 _dc_gtm_* cookie do?

Google Tag Manager cookie used to control tag loading.

Who sets the _dc_gtm_* cookie?

The _dc_gtm_* cookie is associated with Google Tag Manager and is classified as analytics.