Google Analytics 4 Setup

Google Analytics 4
set up to drive decisions, not just measure.

GA4 is powerful but poorly configured by default: incomplete e-commerce events, badly defined conversions, data skewed by cookie blockers. I set up GA4 as part of your e-commerce projects — PrestaShop, Shopify, WooCommerce or a custom stack — to get reliable data you can actually use to drive marketing decisions and Google Ads campaigns.

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GA4 mesure mal par défaut. Les événements standards suffisent pour du trafic, pas pour comprendre un tunnel d'achat : il faut déclarer les étapes qui comptent pour votre activité, transmettre la valeur des commandes, exclure votre propre trafic et celui de vos prestataires, et vérifier que les données remontent réellement — beaucoup d'installations perdent une part significative des conversions sans que personne s'en aperçoive. S'y ajoute le volet réglementaire : bandeau de consentement, Consent Mode, anonymisation.

Je configure GA4 de bout en bout et, quand c'est utile, je branche un suivi côté serveur pour les événements que les bloqueurs de publicité font disparaître.

Features

What you get.

01

Advanced e-commerce tracking

Full tracking of the purchase funnel: product views, add-to-cart, checkout steps, purchases with value and margin. The essential foundation for understanding where you lose customers.

02

Custom conversions

Definition of conversions tailored to your business (purchase, contact request, newsletter signup, minimum basket value) beyond GA4's standard events.

03

Audiences for Google Ads

Building audience segments (engaged visitors, abandoned carts, best customers) exported to Google Ads for remarketing and high-performing lookalike audiences.

04

Search Console integration

Search Console ↔ GA4 linking to cross-reference organic traffic data with on-site behavior: queries, rankings, top-performing landing pages.

05

GDPR consent mode

Consent Mode v2 configuration: tracking automatically adapts to the visitor's consent choice, GDPR-compliant, without breaking your data or your compliance with French CNIL requirements.

06

Monthly reporting

Clear dashboards (Looker Studio or native GA4) with the metrics that matter to you: revenue, conversion rate, acquisition channels, customer lifetime value.

Method

How we proceed.

01

Audit & scoping

Analysis of your existing analytics setup (or your needs for a new site), your CMS and your business measurement goals.

2-3 days
02

E-commerce tracking implementation

Setup of e-commerce events (product view, add-to-cart, purchase) via Google Tag Manager or your CMS's native integration. Verification of collected data reliability.

1 week
03

Consent & GDPR compliance

Consent Mode v2 configuration linked to your consent banner (Axeptio, Didomi or other). Testing of the various consent scenarios.

3-5 days
04

Conversions, audiences & connections

Creation of custom conversions, audience building, linking with Google Ads and Search Console for a 360° view.

1 week
05

Ongoing monitoring & reporting

Periodic verification of data integrity, adjustments following site changes, concise monthly reporting.

Ongoing
FAQ

Frequent questions

Is GA4 really different from the old Universal Analytics? +
Yes, completely: an event-based model rather than sessions-based, different conversion handling, a redesigned interface. A configuration simply carried over from the old Analytics is almost always incomplete for e-commerce.
Is it compatible with GDPR and consent banners? +
Yes, via Google's Consent Mode v2: tracking adapts to the visitor's choice (accepted, refused, partial) without breaking data collection for those who consent, and without collecting information on those who refuse.
Which CMS do you configure GA4 on? +
PrestaShop, Shopify, WooCommerce, WordPress or any custom stack, generally via Google Tag Manager to stay flexible without touching code for every change.
How much does a GA4 setup cost? +
On a creation or redesign project, the setup is included. As a standalone service on an existing site: €400 to €900 depending on the complexity of the purchase funnel and the number of events to track.
See also

Related pages.

Stripe Integration PayPal Integration Google Ads Management Google Search Console
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