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
Louize
(Louize is a serif font designed by Matthieu Cortat and Louis Perrin and released by 205TF in 2013. The font offers a range of styles in both regular and fine optical sizes)