Hmm, no idea. I'm using Chrome on a Mac, and it works fine, and my analytics suggest at least 400 other Chrome+Mac users have been getting through, so it's not a general problem...
Any chance you can export a HAR from your browser dev tools and send it to help@httptoolkit.tech? There's something very odd happening there, could be a Netlify bug.
It's working now - nothing changed as far as I know on my end, but if it happens again I'll do that.
How bizarre, might be a Netlify hiccup somewhere? No idea, but I'm glad it's working now!