Examples of websites using
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)
with
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)