Google Consent Mode Update — Deadline June 15, 2026Timeline and Data Flow ChangesNOWAudit setupJune 1Test GTMJune 7Update bannerJune 12Live checkJune 15DEADLINEBEFORE (until June 14)Google Signalsad_dataad_storagead_dataDual Control (Signals + ad_storage)AFTER (from June 15)ad_storagesoleGoogle Signalsloses authoritySingle Control (ad_storage only)Impact on Remarketing and ConversionsRemarketingGA4 audiences only withad_storage=grantedNo consent: no retargetingConversion ModelingRequires minimum pool ofconsented sessions for MLDrop without Advanced ModeSignals FallbackAccounts relying on Signalsas fallback lose dataConversion drop from June 1575.1%Consent Rate Western Europe (Didomi)40-54%Consent Rate DE by Banner Design (CookieYes/Didomi)10-30%Modeling Uplift Advanced Mode (Google)Deadline June 15, 2026 · ad_storage becomes sole parameter · Consent Mode v2 Advanced recommended · Start banner optimization now
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Google Consent Mode Update June 2026: Act Now

On June 15, 2026, Google changes the rules: ad_storage becomes the sole parameter for advertising data. Shops that do not adapt their Consent Mode setup will lose remarketing and conversion data.

Server-Side Tracking on Your Own InfrastructureBrowser - First-Party Server - Analytics EndpointsUser Browseranalytics.example.comFirst-Party cookieA-Record (no CNAME)7-day ITP resilientFirst-Party/trackYour Own Tag Server (EU)Docker / Cloud Run / Hetzner / IONOSGTM Server-Side Containergtm-cloud-image:stableMatomoPHP/MySQLMeasurementProtocol APIPII hashing (SHA-256)IP anonymisation server-sideEU data centreSchrems-II compliant data flowPII HashedGoogle Analytics 4Measurement Protocolexternal endpointConversions APIMeta / Google Adsserver-to-serverMatomo (internal)own DB / full sovereigntyCNIL recommendedGDPR compliance:Schrems IIPrivacy by DesignDPA with EU hostTTDSG §25EU data centre - no US transfer - server-side IP anonymisation - consent still required+41% data quality(Jentis 2026)18-40% conversion recovery(Leadgen Economy / Platform81)1.77 bn ad-blocker users(Backlinko / GWI 2025)
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Server-Side Tracking on Your Own Infrastructure 2026

How to run server-side tracking on your own infrastructure - with Docker, your own subdomain, GTM Server-Side or Matomo. GDPR-compliant and ITP-resistant.

NIS2 Directive: Timeline GermanyDec 6, 2025BSI Actin forceMar 6, 2026Registrationwith BSIImmediateObligationsapply10 Minimum MeasuresRisk ManagementIncident ResponseBusiness ContinuitySupply Chain SecurityReporting Duties24h Initial Report72h Follow-up1 Month Final ReportPersonal Liability
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NIS2 Directive 2026: What Online Retailers Must Know

NIS2 has been German law since December 2025. Learn which obligations apply to online retailers and how to implement the requirements.