Examples of websites using
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)
with
Ivar
(Ivar is a serif font designed by Göran Söderström and released by Letters from Sweden in 2017. The family is available in six weights with matching italics, offering a total of 12 individual styles)