Examples of websites using
Times New Roman
('Times New Roman' is a serif font designed by Victor Lardent and Stanley Morison, and released by Monotype in 1932. It is available in a range of styles, including regular, bold, italic, 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)