From the answer here:
- Only use
WOFF2, or if you need legacy support,
WOFF. Do not use any other format
eot are dead formats,
otf are full system fonts, and should not be used for web purposes)
- By the estimate here, WOFF2 should work on 95% of browsers.
WOFF2 has a 30%-ish size improvement over
WOFF when using compression/brotli.