Examples of websites using
Self modern
(Self Modern is a serif font designed by Lucas Le Bihan and released by Bretagne in 2016. The font family includes an undisclosed number of styles, each offering a distinct and modern interpretation of the classic serif design)
with
Untitled Sans
(Untitled Sans is a sans-serif font designed by Klim Type Foundry and released in 2017. The font family consists of 10 styles, including regular and italic styles, available in various weights and widths)