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Articles on GA4, tracking and analytics architecture.

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Attribution & Acquisition (5) BigQuery & Data Modelling (2) Consent & Privacy (2) E-Commerce Tracking (2) Tool Features & How-Tos (3) Tracking Quality (4)

Featured deep dives

BigQuery & Data Modelling

BigQuery export for GA4 - the auditor view

Why the BigQuery export belongs in every serious GA4 setup and which audits only become possible with it.

Consent & Privacy

Checking and understanding Consent Mode v2 in GA4

How to check in minutes whether Consent Mode v2 runs correctly: ad_user_data, ad_personalization and modelling - with the GA4 Auditor.

Tool Features & How-Tos

GA4 audit checklist: all checks the GA4 Auditor runs

What does a GA4 audit check? The complete checklist: live check, traffic-light checks from BigQuery, SST analysis and on-page audit - manual or automated.

All articles

Custom dimensions in GA4: setting up and auditing

What are custom dimensions in GA4, how do you set them up and which mistakes does an audit find? Event- vs. user-scoped, limits and cardinality explained.

2026-06-01 · Bernhard Prangetrackingga4datenqualität

Unassigned traffic in GA4: finding and fixing the causes

What does Unassigned mean in GA4 and how do you get rid of it? Causes, fix and the distinction from (not set) - with an automatic check in the GA4 Auditor.

2026-06-01 · Bernhard Prangeattributiontrackingga4

Duplicate purchases in GA4 - why they happen and how the auditor finds them

Duplicate purchase events distort revenue reports. Here is how the auditor detects them via second buckets - and how you prevent them.

2026-05-19 · Bernhard Prangeecommerceduplikatetransaction-idgtm

"(not set)" in GA4 - where auditing really begins

When page titles, traffic sources or UTM parameters show up as (not set), the reports are already worthless. Here is how the auditor breaks the problem apart.

2026-05-19 · Bernhard Prangenot-setutmtraffic-qualitypage-title

Checking and understanding Consent Mode v2 in GA4

How to check in minutes whether Consent Mode v2 runs correctly: ad_user_data, ad_personalization and modelling - with the GA4 Auditor.

2026-05-10 · Bernhard Prangeconsent-modega4datenschutz

BigQuery export for GA4 - the auditor view

Why the BigQuery export belongs in every serious GA4 setup and which audits only become possible with it.

2026-05-08 · Bernhard Prangebigqueryga4data-quality

GA4 audit checklist: all checks the GA4 Auditor runs

What does a GA4 audit check? The complete checklist: live check, traffic-light checks from BigQuery, SST analysis and on-page audit - manual or automated.

2025-12-28 · Bernhard Prangefeaturestestkatalogaudit
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