I guess it's often much simpler and cheaper to not try to hide it. The CNAME practice is becoming more and more common. See https://blog.apnic.net/2020/08/04/c

I guess it's often much simpler and cheaper to not try to hide it. The CNAME practice is becoming more and more common. See https://blog.apnic.net/2020/08/04/characterizing-cname-cloaking-based-tracking/ https://blog.apnic.net/2020/08/04/characterizing-cname-cloak... or https://medium.com/nextdns/cname-cloaking-the-dangerous-disguise-of-third-party-trackers-195205dc522a https://medium.com/nextdns/cname-cloaking-the-dangerous-disg... or https://www.laquadrature.net/2020/10/05/le-deguisement-des-trackers-par-cname/ https://www.laquadrature.net/2020/10/05/le-deguisement-des-t... I think proxying or doing it server side only will be implemented later when these people will be forced to hide to save their shitty business model.