> How Dimml manages tags, A/B tests and personalisation under GDPR and ePrivacy from EU infrastructure. Cookies, consent, configuration and risks. > > Canonical: https://www.flowconsent.com/en/services/analytics/dimml Analytics # Dimml Analytics · [Official website](https://www.dimml.io) Dimml is a Dutch tag manager and personalisation platform that orchestrates marketing tags, A/B tests and content variants from European infrastructure. [Block Dimml until consent](https://app.flowconsent.com/auth/sign-up?utm_source=flowconsent.com\&utm_medium=referral\&utm_campaign=analytics) · [Scan my site](https://www.flowconsent.com/en/scan) At a glance - Category [Analytics](https://www.flowconsent.com/en/services/analytics) - Consent Analytics - Prior consent Required - Documented cookies 3 - Third-party domains 3 - Servers European Union, primarily the Netherlands (Dimml headquarters in Amsterdam) with AWS Frankfurt and Dublin failover Overview ## What does Dimml do? ## **What Dimml is** Dimml is a Dutch tag manager and personalisation platform used by European brands to orchestrate marketing tags, run A/B tests and serve content variants. The runtime loads as a JavaScript tag and applies operator defined rules at page load, with optional server side execution for low latency personalisation. ## **Cookies and data collected** Dimml writes a first party visitor cookie used for personalisation and A/B test allocation, a session cookie that orchestrates the variant delivery and a consent cookie when the operator delegates consent storage to the platform. Tags loaded behind Dimml may set their own cookies depending on the integration. ## **GDPR and ePrivacy obligations** Personalisation, A/B testing and marketing tags are non essential, so prior consent under article 5(3) of the ePrivacy Directive is required. The operator is the controller for the personalisation logic, Dimml is the processor for the runtime, and any advertising destination configured behind Dimml introduces additional joint controller relationships. ## **Consent and configuration** Block the Dimml script in your CMP, then configure each rule as a category that aligns with the consent banner. Avoid coupling pricing or eligibility decisions to a personalisation rule unless you have a strong legal basis. Forward consent context with every event so that downstream tags can apply consistent suppression. ## **Data transfers and storage** Dimml is headquartered in the Netherlands and stores European customer data within the EEA. Tags configured by the operator may transfer data to other countries; the operator is responsible for documenting those transfers. ## **Practical compliance steps** Sign the Dimml DPA, document each tag and personalisation rule, gate the runtime behind your CMP, store the consent record server side, and review the rule library every quarter to retire unused experiments. Compliance ## Dimml and the GDPR Dimml is classified as “Analytics”. On a site that targets European visitors, it must only load after the visitor consents, and it must be listed in your cookie policy. - Legal basis Consent (Art. 6(1)(a) GDPR) for the analytics, A/B testing and personalisation cookies; legitimate interest (Art. 6(1)(f)) for strictly necessary tag manager functions - Risk level medium - Applicable regulations GDPR, ePrivacy Directive, Dutch UAVG, French Loi Informatique et Libertés, IAB TCF v2.2 ### Impact assessment (DPIA) A DPIA is appropriate when Dimml is connected to many advertising tags, when personalisation rules use authenticated user attributes, when A/B testing influences pricing or eligibility, or when the operator forwards events to third country destinations through Dimml. ### Sample text for your banner > We use Dimml to load marketing tags, run A/B tests and personalise some sections of this site. By accepting, you allow Dimml to set cookies, identify your interactions and orchestrate the destinations you have approved. Cookies and trackers ## What Dimml sets and contacts - Tracking method JavaScript tag manager and personalisation runtime developed by Dimml; loads first party cookies for visitor identification, A/B testing and rule based content delivery - Server location European Union, primarily the Netherlands (Dimml headquarters in Amsterdam) with AWS Frankfurt and Dublin failover ### Cookies set (3) | Name | Type | Duration | Purpose | | -------------- | ------------------ | --------- | -------------------------------------------------------------------------------------------- | | dimml\_visitor | Functional | 13 months | Dimml first party visitor identifier used for personalisation rules and A/B test allocation. | | dimml\_session | Functional | Session | Maintains the variant and rule state for the current Dimml session. | | dimml\_consent | Strictly necessary | 6 months | Stores the visitor consent decisions when the operator delegates consent storage to Dimml. | ### Third-party domains contacted (3) - `dimml.io` - `cdn.dimml.io` - `edge.dimml.io` Questions ## Frequently asked questions about Dimml Can't find your question? Write to us, we answer fast. [Write to us](https://www.flowconsent.com/en/demo) ### What cookies does Dimml set? Dimml writes a first party visitor cookie used for personalisation and A/B test allocation, a session cookie that drives the variant delivery and, when delegated by the operator, a consent cookie. Tags loaded behind Dimml may set their own cookies. ### Do I need consent to use Dimml? Yes for any non essential rule. Personalisation, A/B testing and marketing tags trigger article 5(3) of the ePrivacy Directive, so the Dimml runtime must be gated by a CMP for European visitors. ### What is the legal basis for processing data through Dimml? Consent for personalisation, A/B testing and marketing tags. Legitimate interest can apply to strictly necessary functions such as session continuity for a logged in account. ### Does Dimml transfer data to the United States? Not by default. Dimml is headquartered in the Netherlands and stores European customer data within the EEA. Tags configured by the operator may transfer data abroad; the operator must document those transfers. ### Do I need a DPIA for Dimml? A DPIA is appropriate when Dimml is connected to many advertising tags, when personalisation rules use authenticated user attributes, when A/B tests influence pricing or eligibility, or when events are forwarded to third country destinations. ### How do I implement Dimml compliance correctly? Block the Dimml script in your CMP, sign the DPA, store consent server side, document each rule and tag, and prefer EU only destinations to keep the privacy footprint inside the EEA. ### What are the alternatives to Dimml? Other EU friendly tag managers and personalisation platforms include Commanders Act TagCommander, Piwik PRO Tag Manager, Matomo Tag Manager, Tealium iQ EU and Webtrekk now Mapp Intelligence. ### How should I update my cookie policy when I deploy Dimml? 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