Cookie database › Google Ads

gclid cookie

Marketing cookie set by Google Ads.

What the gclid cookie does

The GCLID (Google Click Identifier) is a URL parameter used by Google Ads for ad tracking and campaign attribution, linking ad clicks to conversions.

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.

Namegclid
CategoryMarketing
Set byGoogle Ads

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From the Conzent cookie database, last updated 2026-09-27. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.