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The Web Content Accessibility Guidelines (WCAG) are part of a series of web accessibility guidelines published by the Web Accessibility Initiative (WAI) of the World Wide Web Consortium (W3C), the main international standards organization for the Internet.
[WCAG 2] Row and column headers ( ! ) Like the caption, these help present the information in a logical structure to visitors. [WCAG 3] The headers help screen readers render header information about data cells. For example, header information is spoken prior to the cell data, or header information is provided on request.
The Web Content Accessibility Guidelines 1.0 (known as WCAG) were published as a W3C Recommendation on 5 May 1999. A supporting document, Techniques for Web Content Accessibility Guidelines 1.0 [35] was published as a W3C Note on 6 November 2000. WCAG 1.0 is a set of guidelines for making web content more accessible to persons with disabilities.
Several tools are based on WCAG 1.0's algorithm, while the reference is now WCAG 2.0's algorithm. If the tool doesn't specifically mention that it is based on WCAG 2.0, assume that it is outdated. The Wikimedia Foundation Design team has provided a color palette with colors being marked towards level AA conformance.
Wiki markup quick reference (PDF download) For a full list of editing commands, see Help:Wikitext; For including parser functions, variables and behavior switches, see Help:Magic words; For a guide to displaying mathematical equations and formulas, see Help:Displaying a formula; For a guide to editing, see Wikipedia:Contributing to Wikipedia
Web Content Accessibility Guidelines in Japan were established in 2004 as JIS (Japanese Industrial Standards) X 8341–3. JIS X 8341-3 was revised in 2010 as JIS X 8341-3:2010 to encompass WCAG 2.0, and it was revised in 2016 as JIS X 8341-3:2016 to be identical standards with the international standard ISO/IEC 40500:2012.
The approach to make Wikipedia accessible is based on the W3C's official WCAG 2.0 (a.k.a. ISO/IEC 40500:2012) and ATAG 2.0 guidelines. The guidelines provided by this accessibility project are merely an attempt to reword the WCAG 2.0 into a guideline hopefully easier to understand for editors who are not familiar with accessibility or web development.
The W3C publishes a set of guidelines on Web accessibility called Web Content Accessibility Guidelines (WGAC). [14] The second revision of WCAG, WCAG 2.0, is composed of twelve guidelines, distilled following the four principles that Web content should adhere to: being Perceivable, Operable, Understandable and Robust. [15]