Blog
Deep-dives on GA4 audits, Consent Mode v2 compliance, CMP verification, and tracking data quality — written by the team that builds the audit engine.
GA4GTMData Quality
GA4 Cross-Tag Duplication: Why Your Reports Are Inflated (2026)
The silent tracking bug that inflates sessions by 2× across major retailers — and how to detect it in one browser request.
·7 min read
Consent ModeGDPRDMACompliance
Consent Mode v2 in 2026: The ad_user_data Signal Most Audits Miss
Two signals is not enough. Here's why your Consent Mode v2 setup probably passes manual review but fails Google's actual requirements.
·9 min read
Consent ModeGDPRCMPCompliance
Your CMP Might Accept 'Reject All' and Still Track Users. Here's How to Test.
Accept-all is easy to test. Reject-all is where CMPs quietly fail — and your users are still tracked.
·6 min read
GA4AuditConsent ModeData Quality
Why Your GA4 Is Probably Broken (And How to Know for Sure)
Five ways GA4 breaks in production, how to identify each, and what fixing it looks like — in under 10 minutes per property.
·11 min read