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ADITION

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ADITION is a German ad server operated by adition technologies AG, part of Virtual Minds GmbH (Stroeer Group). It delivers display, video and native creatives via JavaScript tags, handles frequency capping, retargeting and measurement, and is one of the most common European native ad serving stacks.

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Overview

What does ADITION do?

What is ADITION?

ADITION is an ad server operated by adition technologies AG, a German company in the Virtual Minds GmbH portfolio under the Stroeer SE group. It serves display, native and video creatives for German and pan European publishers, agencies and direct advertisers. ADITION integrates with the IAB Europe Transparency and Consent Framework, supports prebid header bidding and ties into Stroeer's broader sales house ecosystem.

Cookies and data collected

ADITION sets third party cookies on adition.com (ape, BFKEY, CWS, RBuserID, AdtransA) and may set first party cookies on the publisher domain when a server side integration is active. It collects ad impressions, click data, the visitor IP address (truncated where TCF instructs), user agent, referrer, frequency capping counters and an opaque ADITION user ID that links impressions across sessions. With identity provider integrations, hashed email or RampID may be added.

GDPR and ePrivacy implications

ADITION falls under Article 5(3) ePrivacy Directive for the cookies and identifiers, and Article 6 GDPR for the processing of personal data. IAB Europe TCF is referenced in the relevant German DPA guidance. Following the 2022 APD ruling on TCF, publishers must ensure the consent string is correctly transmitted and that downstream DSP partners are documented in the privacy notice.

Consent requirements

Prior, informed, freely given consent is required before ADITION ad tags are loaded. Configure your CMP to fire ad serving only on the marketing or advertising category, transmit a valid TCF consent string with each ad call, and ensure that vendor IDs for ADITION (Vendor 39 in IAB TCF v2.2) and its partner network are included in the vendor list.

Data residency and transfers

ADITION operates entirely from German data centres under Virtual Minds. The base service does not require any third country transfer, which makes it relatively attractive compared to US ad servers. Connected DSPs (e.g. The Trade Desk, DV360) may still introduce US transfers; document each integration separately.

Practical compliance steps

Sign the Virtual Minds DPA, configure your CMP to gate ADITION tags on advertising consent, ensure the TCF string is transmitted, document ADITION and its connected DSPs in your record of processing, run a DPIA covering ad serving and retargeting, and inform users about the use of EU based ad serving in your privacy notice.

Compliance

ADITION and the GDPR

ADITION is classified as “Marketing”. 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). Ad serving cookies and unique identifiers for frequency capping, retargeting and measurement go beyond strictly necessary processing and require prior consent.
Risk level
high
Applicable regulations
GDPR, ePrivacy Directive (Cookie Law), DSA

Impact assessment (DPIA)

A DPIA is appropriate for any ad serving deployment because it involves systematic monitoring, cross site identifiers, retargeting and combinations with DSPs and DMPs. ADITION's EU only hosting reduces transfer risk but not the underlying profiling risk. Document the integration partners (DSPs, SSPs, identity providers) carefully.

Sample text for your banner

We use ADITION, a German ad server operated by adition technologies AG (Virtual Minds, Stroeer Group), to display relevant advertising on our site. ADITION sets cookies and stores identifiers used for frequency capping, retargeting and measurement. Please confirm your consent below.
Cookies and trackers

What ADITION sets and contacts

Tracking method
Ad server delivering display, video and native creatives via JavaScript ad tags loaded from adfarm1.adition.com or imagesrv.adition.com; sets first party and third party cookies (ape, BFKEY, CWS, RBuserID) on the publisher and on the adition.com domain to manage frequency capping, retargeting and conversion tracking.
Server location
European Union (Germany). adition technologies AG is part of Virtual Minds GmbH, a Stroeer SE subsidiary based in Freiburg im Breisgau. Production ad serving runs on Virtual Minds operated data centres in Germany with a fallback in another EU region. No transfer to non EU countries is required for the standard service.

Cookies set (5)

NameTypeDurationPurpose
apeThird party (ADITION)1 yearStores the unique ADITION user identifier for ad targeting and frequency capping
BFKEYThird party (ADITION)1 yearPersistent identifier used for cross site frequency capping
CWSThird party (ADITION)1 yearUsed by ADITION for retargeting segments
RBuserIDThird party (ADITION)1 yearReal time bidding user identifier for SSP integrations
AdtransAThird party (ADITION)1 yearConversion attribution identifier

Third-party domains contacted (5)

  • adfarm1.adition.com
  • imagesrv.adition.com
  • adition.com
  • virtualminds.com
  • code.adition.com
Questions

Frequently asked questions about ADITION

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What cookies does ADITION set?

Third party cookies on adition.com (ape, BFKEY, CWS, RBuserID, AdtransA) used for frequency capping, retargeting and conversion attribution. With a server side integration the publisher may set equivalent first party cookies.

Is consent required?

Yes. All ADITION cookies and the associated identifiers go beyond strictly necessary processing and require prior, informed, freely given consent. Configure your CMP to gate ADITION tags on the advertising category.

What is the legal basis?

Art. 6(1)(a) GDPR consent for ad targeting, frequency capping and measurement. Pure aggregated reporting that does not rely on identifiers may be argued under 6(1)(f), but ADITION standard ad serving is not aggregated.

Does ADITION transfer data outside the EU?

No for the base service. ADITION operates from German Virtual Minds data centres. Connected DSPs (The Trade Desk, DV360, Xandr) may introduce US transfers; document each integration in your record of processing.

Do I need a DPIA?

Yes. Ad serving with cross site identifiers, retargeting and DSP integration falls under the EDPB criteria for high risk processing (systematic monitoring of behaviour). The DPIA must cover ADITION plus the connected DSP/SSP partners.

How do I implement ADITION compliantly?

Sign the Virtual Minds DPA, configure the CMP to fire ADITION tags only after advertising consent, transmit a TCF v2.2 consent string, document partners in your record of processing and inform users about EU ad serving in your privacy notice.

Are there alternatives?

Yes: Google Ad Manager (US), Xandr (US), Smart AdServer / Equativ (France), AdSelf (Germany), Kameleoon Ad (France). EU origin ad servers reduce transfer risk; US ad servers require SCCs and a TIA.

How do I update my cookie policy?

List the adition.com cookies under marketing or advertising, name adition technologies AG and Virtual Minds GmbH as joint operators, disclose retention (typically 1 year), explicitly note the IAB TCF Vendor ID 39 and link to the Virtual Minds privacy policy.

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