Noted in the field, this site working on a Nokia 225:

(Many thanks to Gary for photo.)

@odd I’m not sure, TBH. The 225 is really low spec (I don’t think the browser even uses CSS judging by the screenshot), but the 8000 has KaiOS, which I think is more capable.

I’m very tempted to buy one to see how it handles more complex sites than mine. My blog is a kind of proof of concept that you can build an interactive site that works on any device :-)