Cookie database › Epsilon

dtm_gpc_optout cookie

Marketing cookie set by Epsilon, lasting 30 days.

Is dtm_gpc_optout firing on your site before anyone says yes?

Conzent holds dtm_gpc_optout and every other marketing cookie until the visitor accepts, and Consent Mode v2 keeps your Google Ads and GA4 reporting accurate. Registered IAB TCF CMP, Google-certified. From €7 per site a month.

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What the dtm_gpc_optout cookie does

Set when GPC Optout is initiated. Presence of this cookie helps us prevent multiple downstream optout requests for the same user

Who sets it

Consent category: marketing

Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.

Namedtm_gpc_optout
CategoryMarketing
Lifetime30 days
Set byEpsilon

Other cookies from the same vendor

Is this cookie on your site?

Conzent's scanner lists every cookie your site sets, classifies each one the way this page does, and shows which are set before the visitor has consented. Try Conzent free for 14 days, or look up another cookie.

From the Conzent cookie database, last updated 2026-10-11. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.