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Attribution & CAPI Engineering Insights

The Signal Recovery Knowledge Hub

Masterclass architectures, technical benchmarks, and strategies to recover 30%+ of ad spend lost to browser privacy barriers.

Safari ITP & Privacy 8 min read September 17, 2026

How Safari ITP Destroys 30% of Meta Ad Conversions (And the 365-Day Server Fix)

Apple's Intelligent Tracking Prevention caps JavaScript cookies at 7 days, blinding Meta's value-based bidding algorithm to your highest-LTV repeat buyers. Discover how server-level HTTP-only response headers restore complete 365-day attribution persistence.

Alex Mercer, PE
Senior Attribution Architect
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ARCHITECTURE: ITP OVERRIDE EMQ +28.4%
Day 0 Day 7 (ITP Wipe) Day 90 Day 365 (Proxy) JS Cookie Expired HttpOnly; Secure; 365d Reverse Proxy: 365 Days Client-Side JS: 7 Days
Attribution Horizon 92.4% Lost Signal Recovered
Consented (65%) Direct Cookie Cookieless (35%) Pings / GCM v2 AI MODELING Behavioral Extr. Smart Bidding Google Ads +18% Modeled ROAS ad_user_data + ad_personalization Compliant
MODELED CONVERSIONS
Google GCM v2 5 min read

Google Consent Mode v2 Modeled Conversions: The Complete Developer Blueprint

How to feed normalized, privacy-compliant server conversions into Google Ads to lower Smart Bidding target CPAs and recover unconsented EU sessions.

David Vance
Senior Attribution Architect
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AGENCY HUB Multi-Tenant Client A (DTC) EMQ: 9.4/10 Client B (B2B) EMQ: 9.1/10 Client C (SaaS) EMQ: 9.6/10 MRR: $12,000/mo
MULTI-BRAND CAPI
Agency Scaling 7 min read

The $1,000/mo Per Client CAPI Upsell for Performance Marketing Agencies

How top Shopify and GoHighLevel agencies are adding high-margin monthly recurring revenue with plug-and-play signal recovery deployments.

Elena Rostova
Senior Attribution Architect
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