font-filetypes
Font File Types
Embedded OpenType (EOT)
- legacy format developed by Microsoft.
- no longer in use. (only used in IE)
TrueType (TTF)
- developed by Microsoft and Apple in the 1980s.
- useful for extending support to some older browsers, especially on mobile, if you need it.
OpenType (OTF)
- developed by Adobe and Microsoft.
- based on the TrueType, format that supports an expanded character set.
Web Open Font Format (WOFF)
- developed in 2009 as a wrapper format for TrueType and OpenType fonts.
- compresses the files and is supported by all modern browsers.
Web Open Font Format 2 (WOFF2)
- Developed by Google
- this is considered the best format of the bunch
- offers smaller file sizes and better performance for modern browsers that support it.
References
[1]Understanding Web Fonts and Getting the Most Out of Them - css-tricks.com