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Analytics & Growth Hacking

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Analytics and Growth hacking blog

Welcome to my site. Here you'll find my writings on stuff I work on.

Conversion rate optimisation, data analysis, web analytics, marketing: Fun stuff!

State of GDPR consent in 2026: mostly broken, still

24 June 2026 by jules Leave a Comment

76% of sites have a broken cookie banner

A bit of a rant about consent setups. With some actually useful information too, including a consent check tool I build, consentchecker.eu

How to use a pre-hashed email address in GA4 tags in GTM

13 March 2025 by jules Leave a Comment

Learn how to accurately send user data, like hashed emails, to GA4 through Google Tag Manager, using “Code” mode in the User Provided Data variable.

GA4 intraday exports and cookieless pings

26 February 2025 by jules Leave a Comment

This post will explain the differences between what is stored in the intraday table and the processed table – when consent is not yet granted at the beginning of the visit

July 2024 change in collected_traffic_source in GA4 Big Query

27 August 2024 by jules Leave a Comment

Between 2024-07-15 and 2024-07-24 a quiet gradual change took place: it looks like the collected_traffic_source column is now only filled on the first batch of events.

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Recent Posts

  • State of GDPR consent in 2026: mostly broken, still
  • How to use a pre-hashed email address in GA4 tags in GTM
  • GA4 intraday exports and cookieless pings
  • July 2024 change in collected_traffic_source in GA4 Big Query
  • srsltid parameter, GA4 and Big Query

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