I’ve added a custom domain to this https://penny-tee-generator.glitch.me/ project and most network requests are working as expected but two requests which are required by the app give a 404 only when accessing it via the custom domain:
Interesting, it looks like it’s fine when the project goes to sleep and the site is served statically but as soon as it’s woken up again by visiting Glitch :・゚✧ and it starts being served by vite then it fails.