Examples of websites using
Neue Haas Grotesk
(Neue Haas Grotesk is a sans-serif font designed by Max Miedinger and Christian Schwartz and released by Linotype in 1957. The font family includes multiple styles)
with
Caslon
(Caslon is a serif font designed by Dave Farey and William Caslon and released by ITC in 1725. The font family consists of multiple styles in various weights and matching italics)