Examples of websites using
GT Sectra
(GT Sectra is a serif font designed by Marc Kappeler and Dominik Huber and released by Grilli Type in 2014. It is available in three optical sizes (Text, Display, and Micro) with a total of 24 individual styles)
with
Maison Neue Mono
(Maison Neue Mono is a monospace font designed by Timo Gaessnerand and released by Milieu Grotesque in 2012. The font family offers multiple styles, including regular and bold weights with matching italics)