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
GT Walsheim
(GT Walsheim is a sans-serif font designed by Noël Leu and released by Grilli Type. It is a geometric, clean, and versatile font family that includes a range of styles and weights)