Examples of websites using
Signifier
(Signifier is a serif font designed by Kris Sowersby and released by Klim Type Foundry. It is a complete overhaul of the original Signifier family, featuring improvements in weight distribution and curve quality. This font family is available in a range of weights and styles, including normal, narrow, condensed, and compressed widths)
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)