World Wide Web Consortium (W3C) Web Accessibility Initiative (WAI) guidelines and standards

Table of Contents


  • This mobile accessibility guidance summarizes essential standards and strategies that make web contents more accessible to people with disabilities when they are using mobile devices such as mobile phones, tablets, and wearables like smart watches.
  • It touches on a wide range of accessibility issues such as touchscreens and differences in screen sizes.
  • The Authoring Tool Accessibility Guidelines (ATAG) documents how to make the authoring tools themselves accessible, so that people with disabilities can use the tools to create web content; and how users of the authoring tools create accessible web content.
  • According to W3C, examples of authoring tools include:
    • web page authoring tools, for example, what-you-see-is-what-you-get (WYSIWYG) HTML editors;
    • software for generating websites, for example, content management systems (CMS) and learning management systems (LMS), courseware tools, content aggregators;
    • software that converts to web content technologies, for example, word processors and other office document applications with Save as HTML or EPUB;
    • multimedia authoring tools; and
    • websites that let users add content, such as blogs, wikis, photo sharing sites, online forums, and social networking sites.
  • The guidance on selecting and using authoring tools for web accessibility provides checklists for authoring tool selection; and examples of strategies to work around limitations of existing authoring tools.
  • The User Agent Accessibility Guidelines (UAAG) documents explain how to make user agents accessible to people with disabilities.
  • Examples of user agents include browsers, browser extensions, media players, readers and other applications that render web content.