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Google Adsapprox. 10 min. readJanuary 25, 2026Daniel Müller

Marketing Without Cookies: Strategies for Swiss SMEs 2026.

Third-party cookies are history. We show how Swiss SMEs can continue to advertise effectively with first-party data, server-side tracking and new strategies.

Cookieless Marketing Strategies — Privacy-first tracking and first-party data for Swiss SMEs

The End of Third-Party Cookies

The era of third-party cookies is over. Google Chrome significantly restricted support in 2025 — after Safari and Firefox had been doing so for years. For digital marketing, this means: cross-site tracking, retargetingRetargeting (Remarketing) zeigt gezielte Werbeanzeigen an Nutzer, die Ihre Website bereits besucht haben — aber noch nicht konvertiert sind. Es erinnert…Mehr erfahren → and conversionEine Conversion ist eine vorher festgelegte, wertvolle Handlung eines Website-Besuchers — zum Beispiel eine Anfrage, ein Kauf, eine Buchung oder ein Anruf. Was…Mehr erfahren → attribution no longer work as before. But don't panic — there are proven alternatives.

What Specifically Changes?

Retargeting: Classic cookie-based retargeting via the Google Display Network is becoming restricted. Alternative: first-party data-based retargeting via Customer MatchCustomer Match ist eine Funktion von Google Ads, mit der ein Unternehmen eigene Kundenlisten, etwa E-Mail-Adressen oder Telefonnummern, gehasht hochlädt, um…Mehr erfahren → and Similar Audiences.

Conversion tracking: Google AdsGoogle Ads ist die Werbeplattform von Google. Unternehmen schalten damit Anzeigen in der Google-Suche, auf YouTube, im Display-Netzwerk, in Gmail und in Google…Mehr erfahren → conversion tracking via third-party cookiesCookies sind kleine Textdateien, die eine Website im Browser der Besucher speichert, um sie bei späteren Aufrufen wiederzuerkennen — etwa für einen Login,…Mehr erfahren → is becoming less accurate. Alternative: Enhanced ConversionsEnhanced Conversions (erweiterte Conversions) sind eine Funktion von Google Ads, die Conversion-Daten mit gehashten Kundenangaben wie E-Mail-Adresse oder…Mehr erfahren → (first-party dataFirst-Party Data sind Daten, die ein Unternehmen direkt von seinen eigenen Kunden und Website-Besuchern erhebt — z.B. über Formulare, Kaufhistorie,…Mehr erfahren → for attribution), server-side tracking and Consent Mode (modeled conversions).

Audience targeting: Detailed user profiles based on cross-site data are less available. Alternative: contextual targeting (ads based on page content), Google's Topics APIEine API (Application Programming Interface) ist eine definierte Schnittstelle, über die zwei Programme miteinander Daten austauschen, ohne das Innenleben des…Mehr erfahren → and first-party audiences.

The First-Party Data Strategy

First-party data — data you collect directly from your customers and website visitors — is the new gold in marketing. It's more reliable, more privacy-compliant and exclusive. Practical measures for building it:

Newsletters with real added value (not just advertising — industry tips, checklists, insider knowledge). Free tools on the website (calculators, configurators — like our project cost calculator). CRMEin CRM (Customer Relationship Management) ist eine Software, in der ein Unternehmen alle Informationen zu Kunden und Interessenten zentral verwaltet:…Mehr erfahren → system for centralizing all customer data. Feedback forms and surveys. Google Analytics 4Google Analytics 4 (GA4) ist das Webanalyse-Werkzeug von Google, das seit Juli 2023 den Vorgänger Universal Analytics vollständig ersetzt. GA4 misst jede…Mehr erfahren → with proper consent management.

Server-Side Tracking: The Technical Solution

Server-side tracking via Google Tag Manager Server-Side is the recommended tracking infrastructure in 2026. Advantages: 20–30% more data points (ad blockers cannot block server-side tracking), better website performance (less JavaScript in the browser), full data control (GDPR/revDSG compliant) and more accurate conversion tracking for Google Ads. Setup requires technical expertise — DLM Digital helps with implementation.

Practical Checklist for Swiss SMEs

Implement immediately: 1) Set up Google Analytics 4 with Consent Mode. 2) Activate Enhanced Conversions for Google Ads. 3) Start newsletter building (create a lead magnetEin Lead Magnet ist ein kostenloses, nützliches Angebot — etwa ein E-Book, eine Checkliste, ein Rechner oder ein Gratis-Check —, das ein Unternehmen im…Mehr erfahren →). 4) Implement a CRM system. Medium-term: 5) Set up server-side tracking. 6) Use first-party audiences in Google Ads (Customer Match). 7) Test contextual targeting. Long-term: 8) Build a data culture — regularly analyze and optimize KPIs.

DM

Daniel Müller

Senior Developer at DLM Digital – 10+ years of experience in web development, SEO and digital strategy for Swiss SMEs

Tags:CookielessFirst-Party DataTrackingPrivacyGoogle Ads
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Frequently Asked Questions: Marketing Without Cookies: Strategies for Swiss SMEs 2026

Yes, but differently. Google offers alternatives: Enhanced Conversions (first-party data for accurate attribution), Consent Mode (modeled conversions when consent is missing), server-side tagging (more accurate tracking) and Topics API (interest-based targeting without cookies). Campaign performance can actually improve when Enhanced Conversions are properly implemented.

The revised Data Protection Act (revDSG, effective since September 2023) tightens data processing requirements in Switzerland: obligation to inform upon data collection, privacy policy is mandatory, right to deletion and access, and notification obligation for data breaches. For marketing: a cookie banner with consent management is recommended, tracking only with consent, keep privacy policy up to date.

The steps: 1) Create a Google Tag Manager Server-Side container. 2) Host the server container on Google Cloud or another cloud provider. 3) Configure client-side GTM to send data to the server container. 4) Set up server-side tags for GA4, Google Ads, etc. 5) Test and validate. Costs: CHF 30–100/month hosting + one-time setup costs. DLM Digital offers server-side tracking as a service.

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