Cookie database

Google Ads cookies

4 cookies set by Google Ads, each with its purpose and consent category.

CookieCategoryPurpose
FPGCLGSMarketingThe FPGCLGS cookie stores the timestamp of a Google Ads click when ad-storage consent is granted, used for conversion attribution.
_gclidMarketingStores the Google Click Identifier (GCLID) after an ad click, used for conversion tracking and attributing ad performance.
gclidMarketingThe GCLID (Google Click Identifier) is a URL parameter used by Google Ads for ad tracking and campaign attribution, linking ad clicks to conversions.
GSIDAnalyticsThe GSID cookie is used by Google Ads for analytics, advertising, and security purposes.

Running Google Ads on your site? A free Conzent scan shows which of these cookies are set before consent, and the banner blocks them until the visitor agrees.

Last updated 2026-09-27.