The HTML Working Group has published an updated Working Draft of Using WAI-ARIA in HTML. Using WAI-ARIA in HTML is a practical guide for developers on how to to add accessibility information to HTML elements using the Accessible Rich Internet Applications (WAI-ARIA) specification, which defines a way to make Web content and Web applications more accessible to people with disabilities. WAI-ARIA is introduced in the WAI-ARIA Overview. Using WAI-ARIA in HTML is developed by the HTML Accessibility Task Force in coordination with the HTML Working Group and the WAI Protocols and Formats Working Group (PFWG). Learn more about the HTML Activity and the Web Accessibility Initiative (WAI).