What are webfonts?

Webfonts are font files embedded in websites using the @font-face rule. This technique was first available in Netscape Navigator 4 using Bitstream’s TrueDoc standard but was discontinued in Netscape Navigator 6. Microsoft developed the Embedded OpenType format .eot which is supported in Internet Explorer since version 4. In march 2008 Apple introduced Safari 3.1 which supports the @font-face rule, but it doesn’t use any of the previously mentioned formats, but the popular font formats TrueType and OpenType with TrueType or PostScript outlines. Other browser makers are following Apple’s lead. Firefox 3.5 and Opera 10 will also support direct linking of TrueType and OpenType fonts using the @font-face rule…