Examples of websites using
Plantin
(Plantin is a serif font designed by Frank Hinman Pierpont, Robert Granjon, and released by Monotype in 1913. The font family consists of several styles, including regular, italic, bold, and bold italic)
with
Roboto
(Roboto is a sans-serif font designed by Christian Robertson and published through Google. The font family consists of 12 styles, including regular, italic, bold, and bold italic variations)