thanks. Im still tweaking the map and camera settings, its far from perfect yet. Maybe next demo update I'll include some of the sliders to play around with
Isn't it just static files? Use a cdn like cloudflare or AWS CloudFront or depending on size - if you can break it into chunks of like 50mb each, GitHub pages (free)
200 people or 100k people wouldn't matter then, it'll be cached.
It will also make the download based almost entirely on client download speed.