my favorite google fonts to use 4 metadata !also check out metadatafonts + googlefonts
CONTENT_FONT = Source_Sans_3
CONTENT_FONT = Jua
CONTENT_FONT = Dokdo
CONTENT_FONT = The_Girl_Next_Door
CONTENT_FONT = Updock
CONTENT_FONT = Unkempt
CONTENT_FONT = Pixelify_Sans
CONTENT_FONT = Roboto_Mono
CONTENT_FONT = Schoolbell
CONTENT_FONT = Courier
CONTENT_FONT = Acme
CONTENT_FONT = Hind_Siliguri
CONTENT_FONT = Architects_Daughter
CONTENT_FONT = Playfair_Display
CONTENT_FONT = Griffy
CONTENT_FONT = Itim
More coming soon!