font/*
font/woff
File extensions: .woff
Web Open Font Format — original web font container.
What is font/woff?
font/woff is WOFF version 1 — the original web font container using zlib compression. Superseded by WOFF2 but still used as a fallback for older browsers.
Typical usage
Legacy browser support fallback for @font-face.
HTTP header example
Response header
Content-Type: font/woffReference
W3C WOFF 1
Frequently asked questions
What is the font/woff MIME type?
font/woff is WOFF version 1 — the original web font container using zlib compression. Superseded by WOFF2 but still used as a fallback for older browsers.
What file extension does font/woff use?
Files served as font/woff typically use the extension .woff. The most common is .woff.
How do I set the Content-Type for font/woff?
Send the HTTP response header Content-Type: font/woff. Legacy browser support fallback for @font-face.
Is font/woff an official MIME type?
Yes. font/woff is officially registered with IANA (W3C WOFF 1), so standards-conformant clients recognize it.