Examples of websites using
Neue Haas Unica
('Neue Haas Unica' is a Sans Serif font designed by Toshi Omagari and released by Linotype in 2014. This font family consists of multiple styles, including regular, light, bold, and italic variants)
with
Roboto Mono
(Roboto Mono is a monospace font designed by Christian Robertson. It offers multiple styles and weights for a total of X individual styles)