manxu

It would be easy enough to force vendors to make the URL the device connects to, configurable and to publish the API the device is using. Two minuscule changes that can prolong the life of devices by decades.

Online banking can frequently be handled via the web site on mobile phones.

I suggest one of the many wonderful one-page templates available on GitHub, Codeberg, et. al. GitHub has a whole topic on them at https://github.com/topics/single-page-site. You pick one that matches your requirements and that looks good to you, change the text, and serve.