Subdomain for CF Worker doesn't work.. only on mobile browsers

Hello, I recently tried to host a React Router 7 site on Workers. The deployment itself was successful and the workers subdomain does work. Then I set up a custom subdomain which is accessible from my laptop, the general internet (at least pagespeed can), and curl. The weird thing is it cannot be accessed from mobile browsers. I tried making a request from curl within termux and it does return a web page as expected. I've tried Firefox and chrome, each loading for a few seconds and then errors out. Chrome throws an ERR_TOO_MANY_REDIRECTS. Btw it's https://designo.munthe.dev if you want to test yourself

Where should I begin debugging?
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