Introduction

On June 7, 2022, the CNIL recommended the implementation of proxification as well as specific measures necessary for the validity of the use of GA4 :

https://www.cnil.fr/fr/cookies-et-autres-traceurs/regles/google-analytics-et-transferts-de-donnees-comment-mettre-son-outil-de-mesure-daudience-en-conformite (opens in a new tab)

Let's take a look at each of these points and see how they can be implemented in GTM, on the server side.