Google Ads Conversion Tracking: Complete Setup Guide 2026 (Tag, GA4, Consent Mode)
Step-by-step Google Ads conversion tracking setup — global site tag, GA4 import, cross-device tracking, consent mode, and how to troubleshoot when conversions are not recording.
Conversion tracking is the foundation of paid search management. Without it, you're flying blind. This guide walks you through every method — from basic global site tag implementation to advanced GA4 import and cross-device tracking — and shows you exactly how to diagnose when something breaks.
Why Is Conversion Tracking the #1 Priority for Google Ads?
Google Ads cannot optimize campaigns without conversion data. The platform uses your conversion history to:
- Power Smart Bidding (Target CPA, ROAS, Maximize Conversions)
- Build audience segments for remarketing