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GA4 setup audit, the 15 things to check

80% of GA4 accounts we audit have tracking errors that silently corrupt data. Here's what to check.

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80% of GA4 accounts we audit have tracking errors that silently corrupt data. Here's what to check.

JC
Jenna Cho
Published February 28, 20269 min

GA4is powerful when set up correctly and dangerously misleading when not. Most accounts have at least 3-4 configuration errors that corrupt reports.

The audit checklist

  • Enhanced measurement events firing correctly
  • Custom events mapped to key conversions
  • Attributionmodel set appropriately
  • Ecommerce tracking with full item parameters
  • Cross-domain tracking if applicable
  • Internal traffic excluded properly
  • Audiences built on meaningful behaviors
  • Conversions marked correctly (not everything is a conversion)
  • Data retention settings optimized
  • BigQueryexport enabled for deeper analysis

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JC
Jenna Cho
Experienced specialists at GrowwithBA

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Who is this article for?

Marketing operators, founders, and in-house teams looking for tactical guidance, not generic high-level advice. Particularly useful if you have hands-on responsibility for execution.

What's the source of these recommendations?

Real client engagements at GrowwithBA, a a hands-on team marketing agency with offices in Nagpur, India and Dover, Delaware, USA. Founded in 2014.

When was this last updated?

2026. The web is full of outdated marketing advice; we update guides as platforms and best practices change.

Is this AI-generated content?

No. Written by senior marketing operators based on actual client work. Reviewed and updated regularly. Real outcomes, real tradeoffs, real costs, not generic templated content.

How can I get help implementing this?

Book a free 30-minute auditwith our team. We'll review your current setup and give you a prioritized action list, no sales pitch, no obligation.

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