Completely offtopic: I'm really impressed that I can get the basic mapping with all javascript turned off. Kudos for that. Half the pages you visit these days can't even show text or pictures without js.
Thanks! With this app, we just wanted to build something really basic that does its job with as little friction as possible, so glad you pointed that out.
Yep, seems you are correct, noscript shows it being blocked but I had the 3rd party scripts from https://cdn.jsdelivr.com/ whitelisted. Thought it might have simply been a splash page.