I wonder how they choose which networks to index. I’ve been running an IRC network for 20 years, that currently has a few thousand users on it. Yet it does not

I wonder how they choose which networks to index. I’ve been running an IRC network for 20 years, that currently has a few thousand users on it. Yet it does not seem to be indexed. there was another topic recently about nostalgia regarding the old Internet, one of the arguments presented in centralisation is that discoverability is much improved-