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 GTM setup loaded directly from Google’s domain (googletagmanager.com).
2
GTG
Cloudflare reverse proxy serving the GTM container from a first-party path on your own domain.
3
sGTM
Server-side GTM running on your own subdomain with the standard gtm.js filename.
4
Addingwell
Server-side GTM with obfuscated script paths and custom measurement endpoints.
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