Examples of websites using
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)
with
Lato
(Lato is a sans-serif font designed by Łukasz Dziedzic and released by tyPoland in 2010. The font family consists of two styles, regular and bold, with each style available in a wide range of weights and matching italics)