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
PolySans
(Poly Sans is a sans-serif font designed by Milos Mitrovic and released by Gradient. The font family includes an unspecified number of styles, offering a range of options for different design projects)