Everything else leaks
Every other way to get event data to the ad platforms depends on something a browser, an extension, or a platform has already decided to break.
3rd party cookies?
Deprecated.
Dedicated tracking subdomains to get 1st party data?
Require CNAME cloaking, which is easily read and blocked by privacy tools
GA4?
Still susceptible to adblockers, iOS and Safari restrictions
Stape.io? Tracklution? sGTM? User browser => your server => ad platforms?
Still relies on misfiring web pixels and CNAME cloaking.
One-click Meta CAPI?
Only mirrors captured pixel events.
Google Tag Gateway?
Just a Cloudflare Worker deploying gtm scripts from a CDN
Hiring developers or experts?
Get ready for an expensive 6-month contract and upsells along the way.
ZeroConfig?
No-brainer.