The Droid font family was designed specifically for reading on the screen so you can’t go wrong with any of them on your website. Droid Serif is the ideal partner for Droid Sans and between these two typefaces you' won’t need anything else.
Best used for
Body of text, menu, titles, footer
COMBINes well with
+ Example: Droid Serif, Proxima Nova and Telefon on Flour Mill Apartments
Droid serif appears the sentence in the footer, Proxima Nova appears in the body of the text, Telefon is used for titles and buttons in caps.