Examples of websites using
Swiss 721
(Swiss 721 is a sans-serif font designed by Max Miedinger and released by Bitstream in 1982. It offers a variety of styles and weights)
with
Helvetica Neue
(Helvetica Neue is a popular Sans Serif font designed by Max Miedinger and published through Linotype in 1961. The font family consists of multiple styles with different weights and matching italics)