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 Haptik
(GT Haptik is a sans-serif font designed by Reto Moser and published through Grilli Type. The family is available in four weights with matching italics)