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The WCAG working group published WCAG 2.0 as a Recommendation on 11 December 2008. WCAG 2.0 is based on very different requirements from WCAG 1.0: the guidelines needed to be technology-neutral, whereas WCAG 1.0 was strongly based on HTML and CSS; the guidelines needed to be worded as testable statements instead of instructions to authors.
The techniques are periodically updated whereas the principles, guidelines and success criteria are stable and do not change. [23] WCAG 2.0 uses the same three levels of conformance (A, AA, AAA) as WCAG 1.0, but has redefined them. The WCAG working group maintains an extensive list of web accessibility techniques and common failure cases for ...
WCAG 2.0: 4 principles that form the foundation for web accessibility; 12 guidelines (untestable) that are goals for which authors should aim; and 65 testable success criteria. [14] The W3C's Techniques for WCAG 2.0 [15] is a list of techniques that support authors to meet the guidelines and success criteria. The techniques are periodically ...
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WAI-ARIA describes how to add semantics and other metadata to HTML content in order to make user interface controls and dynamic content more accessible. For example, with WAI-ARIA it is possible to identify a list of links as a navigation menu and to state whether it is expanded or collapsed.
Previous versions of EN 301 549 embraced WCAG 2.0 as an ‘electronic attachment’. The next version of EN 301 549 (v4.1.1) will be released in 2026. [11] This new version is planned to support the European Accessibility Act and to include WCAG 2.2 AA, as well as significant updates to requirements related to Real-Time Text. [12]
This is not ideal for accessibility, semantics, or reuse, but is currently commonly used, despite the problems it causes for users of screen readers. Blank lines must not be placed between colon-indented lines of text – especially in article content. This is interpreted by the software as marking the end of a list and the start of a new one.
[WCAG 1] The difficulty indicates if it seems easy or not for Wikipedia users to comply to the guidelines. Guidelines here essentially follow WCAG 2.0's approach, and some additional reputable sources, like WebAIM, when relevant. A review by an accessibility expert was necessary to ensure WCAG 2.0 was interpreted correctly; this review was made ...