Full Facebook Pixel + Conversions API (CAPI) + GA4 Setup
From 40%+ Data Loss to 100% Accurate Tracking
Before I Started:
• Old Pixel lost 35–50% data (iOS + ad blockers)
• Facebook ROAS looked too low
• Remarketing lists were tiny and outdated
• Client was scared to scale Facebook budget
• Old Pixel lost 35–50% data (iOS + ad blockers)
• Facebook ROAS looked too low
• Remarketing lists were tiny and outdated
• Client was scared to scale Facebook budget
What I Did (Step by Step)
- Set up complete Facebook Pixel with every important event
- Added server-side Conversions API (CAPI) using Server-Side GTM
- Connected GA4 events at the same time (dual tracking)
- Tracked Purchase, Add to Cart, Checkout, View Content, Scroll Depth, Video Watch, Time on Page
- Added full consent mode – 100% GDPR & privacy safe
The Results That Changed Everything
< 5%Data Loss Now
was 40%+
was 40%+
+45-80%Facebook Ads ROAS
real & accurate numbers
real & accurate numbers
3–5×Bigger Remarketing Lists
fresh & high-quality
fresh & high-quality
Client now confidently scales Facebook budget every single month!
Tools I Used
Facebook Pixel
Conversions API (CAPI)
Server-Side GTM
GA4
Google Tag Manager
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