[fragmede]

Site A and B have to collude in order to make that inference. Outside of Cloudflare, no one is colluding at that level.

[camgunz]

Plenty of people own more than one website. You're also forgetting about random site assets like web fonts, CSS, JavaScript CDNs, etc. etc.

[antonvs]

That would only be true if there were no ad networks.

But today’s internet is essentially a giant ad network.