The "Restaurant Waiter" Analogy: Client vs Server-Side

1. Client-Side Tracking (The Messy Kitchen)
User's Browser
(Customer)
Orders to Meta
Blocked by ITP/AdBlockers
Orders to Google
Meta Ads
TikTok Ads (Blocked)
Google Analytics
The customer runs into the kitchen yelling orders to every chef. Some get blocked or lost.
2. Server-Side Tracking (The Maitre D')
User's Browser
(Customer)
1 Secure 1st-Party Order
Cannot be blocked
Cloud Server (sGTM)
(Maitre D')
Enriched & Distributed
Meta Ads
TikTok Ads
Google Analytics
Customer gives one order to the Maitre D', who cleans it, secures it, and distributes it perfectly to the chefs.