Examples of websites using
Neue Haas Unica
('Neue Haas Unica' is a Sans Serif font designed by Toshi Omagari and released by Linotype in 2014. This font family consists of multiple styles, including regular, light, bold, and italic variants)
with
Proxima Nova
(Proxima Nova is a sans-serif font designed by Mark Simonson Studio. It has a balanced and modern design, with a total of 120 individual styles including 12 weights and matching italics to suit various design needs)