Examples of websites using
Barlow
(Barlow is a sans-serif font designed by Jeremy Tribby. It is available in a range of weights and styles, including regular, italic, bold, and bold italic)
with
IBM Plex Mono
(IBM Plex Mono is a monospaced font designed by Mike Abbink of Bold Monday. The font is available in multiple styles, including regular, light, medium, semibold, bold, and extrabold)