Privacy policy: https://www.dynamicyield.com/gdpr-and-privacy/
| Cookie | Category | Purpose |
|---|---|---|
_dy_cs_cookie_items | Marketing | This cookie is used for proprietary custom implementation on your website, for Dynamic Yield campaigns to operate correctly. |
_dy_cs_storage_items | Marketing | This cookie is used for proprietary custom implementation on your website, for Dynamic Yield campaigns to operate correctly. |
_dy_csc_ses | Analytics | This cookie tracks when a user closes their browser. |
_dy_df_geo | Analytics | This cookie is used for audience creation purposes to store geographical location data (country, state, city). |
dy_fs_page | Functional | This cookie indicates the URL of the first page a user visits when they start a session on a website, and targets a user by the first page of their session. |
_dy_geo | Analytics | This cookie is for audience creation purposes to store geographical location data (country, continent, area, city). |
_dy_lu_ses | Functional | This cookie determines the first page URL a user comes from, and its validity. |
_dy_ses_load_seq | Functional | This cookie is used for experimentation and A/B testing purposes, to detect browser sessions. |
_dy_soct | Functional | This cookie controls the frequency of periodically-activated campaigns. Without this cookie, periodically-activated campaigns would be either disabled or executed upon every page load. |
_dy_toffset | Functional | This cookie validates the user's clock drift (for computers that don't sync their clock with the internet). |
_dycmc | Analytics | This cookie maintains a simple heuristic that detects users who actively delete cookies (cookie deleters). The 'cookie deleter' markup is collected within the reported page visit data. |
_dycnst | Functional | This cookie is used to remember user cookie consent preferences. |
_dycst | Analytics | This cookie is used for audience creation purposes to collect data about the user-agent and associated window size. |
DYID | Functional | A Dynamic Yield unique identifier that operates as a key for personalization. |
_dyid | Functional | A Dynamic Yield unique identifier that operates as a key for personalization. |
_dyid_server | Functional | A Dynamic Yield unique identifier that operates as a key for personalization. |
_dyjsession | Functional | A Dynamic Yield unique identifier that operates as a key for personalization. |
DYSES | Functional | A Dynamic Yield unique identifier that operates as a key for personalization. |
Running Dynamic Yield 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.