Examples of websites using
Roboto
(Roboto is a sans-serif font designed by Christian Robertson and published through Google. The font family consists of 12 styles, including regular, italic, bold, and bold italic variations)
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)