Nowadays this type of static site is insanely cheap to host. Put a CDN like CloudFlare (which it seems they are using) in front of this type of site and you could scale to millions of hits basically for free.
> With this launch, and our recently deployed 11-datacenter global anycast caching CDN, Neocities becomes a world-class web hosting service, proving you can still make building a web site fun and easy without sacrificing performance, and without being forced to figure out how to use esoteric, expensive cloud services.
Your comment isn't specifying what 25% doesn't have access. If you mean China being 1/4 the current human population that could be true you need to be more specific.