I have set the font for this page and there's no confusion. 1 has slope, I double serif, l the top serif only to the left, O clean, 0 with bar and the bar in Ø

I have set the font for this page and there's no confusion. 1 has slope, I double serif, l the top serif only to the left, O clean, 0 with bar and the bar in Ø is wider than the circle. So it's nice, but Fantasque Mono is still more legible for my eyes in general.