Cookie changelog

What changed in our cookie lists

Consentify lists the cookies each supported tool sets, so your cookie declaration is right without you writing it. When a vendor changes a cookie, we update the list, and the change shows up here.

Changes

  1. Google Analytics

    • _ga, _ga_* is now stored for 400 days (was 2 years)
    • _gid removed
    • _gat_* removed
    Source: Google Analytics Help

  2. Klaviyo

    • __kla_id is now stored for 13 months (was 2 years)
    Source: Klaviyo Help Center

  3. Marketo (Adobe)

    • _mkto_trk is now stored for 13 months (was 2 years)
    Source: Chrome for Developers

  4. Shopify

    • _shopify_essential added, stored for 1 year
    • discount_code added, stored for the session
    • localization is now stored for 1 year (was 2 weeks)
    • shopify_pay added, stored for 1 year
    • login_with_shop_finalize added, stored for 5 minutes
    • storefront_digest added, stored for 1 year
    • _shopify_test added, stored for 1 minute
    • _secure_session_id removed
    • _shopify_m removed
    • _tracking_consent removed
    • secure_customer_sig removed
    • cart_sig removed
    • keep_alive removed
    Source: Shopify developer changelog

  5. Shopify Analytics

    • _shopify_analytics added, stored for 1 year
    • shop_analytics added, stored for 1 year
    • _shopify_y removed
    • _shopify_s removed
    • _shopify_sa_t removed
    • _shopify_sa_p removed
    Source: Shopify developer changelog

Last cookie lab run: September 12, 2026