Live test

Are ad blockers hurting your website analytics?

Ad blockers stop many websites from collecting basic traffic data. This test runs four common analytics setups in your browser and shows which ones still work against your blocker.

How to use this page. Click any of the four setups below to test it — each runs in about 10 seconds. Or open Compare to run all four side by side.
Start here
01
Standard setup
The default, loaded from Google
The most common tag-manager install. The easiest for ad blockers to stop.
Not tested yet
02
First-party proxy
Served from your own domain
A lightweight proxy that serves Google's scripts from your own domain.
Not tested yet
03
Server-side setup
Runs on your subdomain
Data flows through your own server instead of going straight to Google.
Not tested yet
04
Server-side, disguised
Hidden file names
Server-side setup with disguised script names that ad blockers can't pattern-match.
Not tested yet
Want to see them all at once? Compare runs the four setups side by side in one view.
Compare all setups

Results depend on your specific ad blocker and its rules. Other visitors may see different outcomes.

Domain tested
fulcos.com
Proxy path
/m6yp/
Server-side endpoint
brand.fulcos.com
GTM container
GTM-T3X85M