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Web Open Font Format

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Web Open Font Format
Filename extension
.woff
Internet media type
application/x-woff[1]
Developed byMozilla Foundation
Type of formatFont file
Container forSfnt fonts
WebsiteWOFF File Format

The Web Open Font Format (WOFF) is a font format for use in web pages. It was developed during 2009 and is on its way to being standardized as the recommended web font format by the World Wide Web Consortium Web Fonts Working Group.

It is "a strong favourite" for standardization by the W3C Web Fonts Working Group.[2] Following the submission of WOFF for standardization by Mozilla Foundation, Opera Software ASA and Microsoft in April 2010[3], the W3C commented that it expects WOFF to soon become the "single, interoperable format" supported by all browsers.[4] The W3C published WOFF as a working draft on July 27, 2010.[5]

Specification

WOFF is essentially a wrapper that contains sfnt-based fonts (TrueType (TTF), OpenType, or Open Font Format) that have been compressed using a WOFF encoding tool to enable them to be embedded in a web page.[6] The format uses zlib compression (specifically, the compress2 function),[6] typically resulting in a filesize reduction from TTF of over 40%.[7]

Vendor support

The format has received the backing of many of the main font foundries[8] and is supported in Firefox since version 3.6.[9]

Microsoft added full support for WOFF in the third platform preview of Internet Explorer 9.[10]

WebKit development builds support WOFF,[11][12] so Google Chrome and Safari will do so in future releases.[13]

See also

References

  1. ^ Web FontFont User Guide (PDF), FSI FontShop International, 2010-01-25, p. 9
  2. ^ Lilley, Chris (2010-03-17), Web Fonts Working Group Charter, W3C, retrieved 2010-04-21
  3. ^ WOFF File Format 1.0 Submission Request to W3C
  4. ^ Team Comment on "WOFF File Format 1.0" Submission
  5. ^ WOFF - Now loading fonts on websites, The H, 2010-07-28
  6. ^ a b Kew, Jonathan (2009-10-23), WOFF File Format (draft of 2009-10-23), Mozilla Foundation, retrieved 2010-01-30 {{citation}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  7. ^ Stefanov, Stoyan (2009-10-20), @font-face gzipping - take II, PHPied.com, retrieved 2010-01-30
  8. ^ Wardle, Tiffany (2009-07-16), Typegirl - Most of the important foundries are supporting #webfont, tumblr, retrieved 2010-02-05
  9. ^ Shapiro, Melissa (2009-10-20), Mozilla Supports Web Open Font Format, Mozilla Foundation, retrieved 2010-02-05
  10. ^ Hachamovitch, Dean (2010-06-23), HTML5, Native: Third IE9 Platform Preview Available for Developers, Microsoft
  11. ^ Bug 38217 - [chromium] Add WOFF support, WebKit
  12. ^ Bug 31302 - Add WOFF support for @font-face, WebKit
  13. ^ Gilbertson, Scott (2010-04-26), Google Chrome to Support the Web Open Font Format, webmonkey
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