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Notes on analytics & data

Practical write-ups on Google Analytics, Tag Manager, BigQuery and GCP — the same things I fix for clients, explained in plain English.

Featured · Compliance

Google Tag Manager Consent Mode: A Practical Guide for UK Sites

What UK GDPR and PECR actually require before your analytics tags fire, how Consent Mode changes what GA4 records, and a step-by-step setup inside GTM — including where most sites get it wrong.

12 Sep 20267 min read

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GA4

GA4 Setup Checklist: 12 Things Most Businesses Get Wrong

From unfiltered internal traffic to duplicated purchase events — the recurring mistakes I find in almost every GA4 audit, and how to fix each one.

19 Sep 20266 min read

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BigQuery

BigQuery vs Spreadsheets: When to Make the Switch

Spreadsheets work fine until they don't. Here's how to tell your reporting has outgrown them, and roughly what a BigQuery migration involves.

22 Sep 20265 min read

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Tag Manager

5 Signs Your Tag Manager Container Needs an Audit

Slow page speed, mystery tags, and numbers that don't match finance — the warning signs that your GTM container has drifted out of control.

20 Aug 20265 min read

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