W3C Web Accessibility Initiative Home

Making the Web Accessible

Strategies, standards, and supporting resources to help you make the Web more accessible to people with disabilities.


The World Wide Web Consortium (W3C) develops international standards for the Web: HTML, CSS, and many more.


The W3C Web Accessibility Initiative (WAI) develops standards and support materials to help you understand and implement accessibility.


You can use W3C WAI resources to make your websites, applications, and other digital creations more accessible and usable to everyone.


Current Work

(updated monthly)

See What We're Working On – Accessibility Activities and Publications

Multimedia Synchronization Accessibility User Requirements - Note Published


Synchronization Accessibility User Requirements ("SAUR") describes accessibility-related user needs and requirements for audio and visual media synchronization. It covers synchronization of captions, sign language interpretation, and description. The requirements are applicable to multimedia content in general, as well as to real-time communication applications and to media in immersive environments.

Accessibility Course List – Submit a course, training, or certification


W3C Web Accessibility Initiative (WAI) is compiling a list of courses, trainings, and certifications on digital accessibility. We invite instructors to submit details on their courses for the list: Submit a course, training, or certification on digital accessibility.

ARIA Authoring Practices Guide (APG) - New User Interface


ARIA Authoring Practices Guide (APG) is redesigned as a multi-page resource. WAI-ARIA is the Accessible Rich Internet Applications suite of web standards. ARIA Authoring Practices Guide (APG) provides guidance on how to correctly use ARIA semantics.

For Review: Accessibility of Remote Meetings - Updated Draft


An updated Working Draft of Accessibility of Remote Meetings is available for review and comment. This potential resource relates to How to Make Your Presentations Accessible to All and Making Audio and Video Media Accessible. We welcome input on how this information can better help vendors, organizations, and individuals make remote meetings more accessible to people with disabilities. For more information, see: e-mail on Remote Meetings and blog on Remote Meetings.

For Wide Review: Synchronization Accessibility User Requirements (SAUR)


Synchronization Accessibility User Requirements (SAUR) is ready for wide review before finalizing and publishing it as a W3C Note. SAUR describes accessibility user needs and requirements for audio and visual media synchronization. It discusses synchronization of accessibility-related components of multimedia, such as captions, sign language interpretation, and description. Additional information is in the 13 April 2022 review e-mail. Please submit any comments by 13 May 2022.

Invitation: WAI-CooP Meeting, Online, 19 April 2022


You are invited to the WAI-CooP Open Meeting, Online on 19 April 2022. We encourage participation from people interested in: digital accessibility implementation in Europe and internationally; guidance on available web accessibility training, tools, and resources; and exchanges on the European Union (EU) Web Accessibility Directive (WAD). Agenda, logistics, and registration information is in the meeting page. This meeting is free, and registration is required.

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WAI is supported in part by the following organizations. Thank you!

WAI welcomes additional sponsors.

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