Today I was digging around for a way to block certain domains in GA4 (ultimately I went with a trigger in GTM instead), when I came across the “Configure your domains” menu. It suggested a few domains I recognize, mainly our own dev environments, but then also gwern.net.

I’m curious, does anyone know how GA4 comes up with it’s suggestions, and why this gwern.net domain would even pop up? I did some light Googling about the site and it seems to be tied to someone who writes about the darknet, nootropics and crypto (the site I work on has nothing to do with any of these topics, and we definitely don’t link to that persons site).