Snapchat sets 2 cookies on websites that load its scripts. Below is the full list with purpose, expiry, and whether each one needs GDPR / ePrivacy consent.
_scidAdvertisingExpires: 13 monthsSnapchat Pixel browser identifier used to track conversions and measure the effectiveness of Snapchat ads.
sc_atAdvertisingExpires: 1 yearSnapchat authentication / ad-attribution cookie used to associate visitors with Snapchat ad clicks.
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