> https://www.codingfont.com/

That's terribly blurred on my screen.

Yep, blurred on one of my devices.

Strange, it worked great for me.

Actually only in the tournament part, the browser part is fine with the same font size (16) and fonts

It needs fixing:

1) It should give you a list of runner ups, not just the final winner.

2) It should include MORE fonts. Some popular ones aren't in there. Maybe it should be a local app that can use your installed fonts.