Woff2

https://gist.github.com/moltomedia/07cd1ad01c617a8924db
https://github.com/google/woff2
https://caniuse.com/#feat=woff2

woff2_compress NotoSans-Bold.ttf
woff2_compress NotoSans-Regular.ttf
woff2_compress NotoSans-Italic.ttf
woff2_compress NotoSans-BoldItalic.ttf

mkdir ../woff2
mv *.woff2 ../woff2

for f in *.ttf ; do woff2_compress $f ; done

Mime-type

https://www.iana.org/assignments/media-types/media-types.xhtml#font

font/woff2