Examples of websites using
Calibre
(Calibre is a sans-serif font designed by Kris Sowersby and released by Klim Type Foundry in 2011. The font family consists of 10 styles, including regular, italic, bold, and bold italic variations)
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)