Examples of websites using
Merriweather
(Merriweather is a sans-serif font designed by Sorkin Type. It offers a range of styles, including regular and bold, with matching italics)
with
Lato
(Lato is a sans-serif font designed by Łukasz Dziedzic and released by tyPoland in 2010. The font family consists of two styles, regular and bold, with each style available in a wide range of weights and matching italics)