Examples of websites using
Open Sans
(Open Sans is a sans-serif font designed by Steve Matteson. It offers a wide range of styles, including regular, italic, bold, bold italic, and light)
with
Moderat
(Moderat is a sans-serif font designed by Fabian Fohrer and Fabian Huber and released by Tightype in 2015. The family consists of 18 styles, including regular, italic, bold, and bold italic variations)