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GDPR Article 6(1)(f) as a legal basis for analytics.

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GDPR Compliant Analytics: Complete Framework 2026

· 37 min read
Rafael Jimenez
Founder & CEO at Sealmetrics

TL;DR — GDPR framework for web analytics: which legal basis you actually need, the technical requirements, and how to stop losing the visitors who reject or ignore the cookie banner.

The European Union issued over €20 million in fines for analytics violations in 2023, yet most companies still don't understand what makes their analytics GDPR compliant. Many businesses either accept massive data loss from cookie consent requirements or operate in a gray area of regulatory uncertainty.

This comprehensive framework explains exactly what GDPR compliance requires for web analytics, which legal bases work, and how to implement compliant tracking without losing visitor data.

Key Takeaways:

  • Consent-based analytics loses the visitors who reject or ignore the cookie banner; the strongest position is minimising the data so far that no banner is needed
  • Most analytics tools fail GDPR because they store IP addresses or require cookies
  • Sealmetrics stores nothing on the device and no data that identifies anyone; its session identifier rotates daily and, once rotated, not even Sealmetrics can reconstruct it, and reports are always aggregated
  • Country-specific regulations (TDDDG, CNIL) have additional requirements beyond baseline GDPR