> You cannot block this or opt out because it's server-side. Facebook’s latest approach is to give people instructions on setting up a relay server in their ow

> You cannot block this or opt out because it's server-side. Facebook’s latest approach is to give people instructions on setting up a relay server in their own infrastructure so that privacy software that blocks third-party tracking still works, even when it looks at IP addresses to detect things like CNAME cloaking. https://developers.facebook.com/docs/marketing-api/conversions-api/guides/gtm-server-side/ https://developers.facebook.com/docs/marketing-api/conversio...