Consider using only woff or woff2 fonts in KaTeX, to gain much space

[twitwi]

space could be gained in both the starterKit and the standalone exports

support seem good
http://caniuse.com/#search=woff

(and we already have a KaTeX custom branch)

[twitwi]

The gain would be to go from 2.2MB to 420KB in woff (or 356KB if woff2 is ok).