That “reasonable” effort results only in “Your current browser isn’t supported” on latest Debian Stable GNU/Linux with:
- latest Firefox ESR (128.9.0esr)
- latest Debian Stable Chromium (135.0.7049.95-1~deb12u1)
- every other less popular web browser I tried.
So that must be some novel use of the word “reasonable” that I haven’t previously encountered. 