Examples of websites using
GT Super
(GT Super is a sans-serif font designed by Noël Leu and published through Grilli Type. The family includes a wide range of styles, with multiple weights and matching italics available)
with
Roboto
(Roboto is a sans-serif font designed by Christian Robertson and published through Google. The font family consists of 12 styles, including regular, italic, bold, and bold italic variations)