Is Your Data Collection Being Blocked?

Test four GTM configurations against your ad blocker — from basic third-party to fully obfuscated first-party.

Start here
1
Standard GTM
Default setup, loads from Google's domain. Most likely to be blocked.
2
GTG
Cloudflare reverse proxy. First-party path, but GA4 still detectable.
3
sGTM
Server-side GTM on your subdomain. Default gtm.js filename still matchable.
4
Addingwell
Obfuscated sGTM with custom endpoints. Most resilient against blockers.
Compare all methods — see which setups survive content blockers side by side Compare All
Results depend on your specific ad blocker and its filter lists. Other users may see different outcomes.
Domain
fulcos.com
GTG Proxy Path
/m6yp/
sGTM / Addingwell Server
brand.fulcos.com
Container ID
GTM-T3X85M