Blog
Analytics2026-02-108 min

How to Set Up Analytics Consent Management That Complies With GDPR and CCPA

Cookie consent management is legally required in most markets. Here's how to implement it without losing critical analytics data.

Privacy regulations require explicit consent before setting analytics cookies in the EU, and opt-out mechanisms for California residents. Implementing consent management badly can eliminate 40-60% of your analytics data.

The best practices for consent implementation include: using a consent management platform (OneTrust, Cookiebot, or Osano), implementing consent mode in Google Tag Manager (sends anonymized signals even without consent), loading essential analytics server-side (where legally permissible), and using statistical modeling to estimate total traffic from consented samples.

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We cover the technical implementation for each approach, the legal considerations by jurisdiction, how to configure Google Consent Mode v2, and the data recovery techniques that minimize the gap between consented and actual traffic.

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