Conversion Tracking
GA4 conversion tracking with a custom DataLayer, Consent Mode v2 and Enhanced Conversions: measure, attribute ROI accurately, and grow.
CONVERSION TRACKING IS THE FOUNDATION OF DATA-DRIVEN MARKETING
Without accurate conversion tracking, ad algorithms and AI (Google Ads, Meta, etc.) can’t optimize, and your digital analytics can’t deliver reliable insights.
At Fuel.LAB® we implement GA4 conversion tracking with a tailored DataLayer, Consent Mode v2, and Enhanced Conversions, streaming events to Google Analytics 4 and every data-driven platform in your stack (e.g., Google Ads, DV360, Meta, CRM).
Why is Conversion Tracking important?
A fundamental part of Digital Advertising and data analysis is Conversion Tracking—a discipline that sits between science and creativity. Conversion monitoring lets your data show, at a glance, the revenue you earn for every cent spent.
Explore our services:
Conversions tell you how much you’re paying for a sale through advertising, how many desired actions were completed within a given time, through which channel, by which type of user, and how much that action cost you.
Conversion tracking therefore allows you to optimize further and start spending less while your return on ad spend increases.
Learn more: Google Support on Conversions
GOOGLE CONSENT MODE v2 & ENHANCED CONVERSIONS: WHAT’S REQUIRED IN 2025
For EU/EEA/UK/CH traffic, if you use Google products (GA4, Google Ads/Ad Manager/AdSense) you must collect and pass user consent choices with Consent Mode v2 and, for personalized ads, use a TCF-certified CMP (required in the EU/UK since 16 January 2024 and in Switzerland since 31 July 2024).
Consent Mode v2 adds the signals ad_user_data and ad_personalization; without a proper setup, Google restricts conversion and behavior modeling and may disable measurement for parts of EU traffic. Enhanced Conversions improve accuracy and smart bidding by sending first-party data hashed with SHA-256. As of 2025, setup is simpler via a new tag-level setting in GTM.
Regardless of Chrome’s third-party cookie status, compliance is essential: Consent Mode v2 with a CMP and a clean DataLayer are now required for reliable measurement and optimization.
Helpful references:
Consent Mode updates (GTM) ·
About Consent Mode ·
Enhanced Conversions ·
CMP requirements
What kind of Conversions can you track?
Tailor-Made Service. Please take a minute to read this disclaimer.
As with most of our services, custom conversion implementations are available only to selected clients who can leverage the right tools with an appropriate budget framework to achieve the desired results.
We take this approach because we want to deliver real outcomes, not simply onboard as many clients as possible. If you’re unsure about your budget fit, consider Fuel LAB Coaching.