Google warning: Resource interpreted as Font but transferred with MIME type application/octet-stream

Question

I have a warning in Google for my font-face:

Resource interpreted as Font but transferred with MIME type application/octet-stream: \".../Content/Fonts/iconFo

Answer 1

Correct MIME types for fonts are:

application/font-ttf              ttf;
application/font-otf              otf;
application/font-woff             woff;