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.
W3C
The World Wide Web Consortium (W3C) develops international standards for the Web: HTML, CSS, and many more.
WAI
The W3C Web Accessibility Initiative (WAI) develops standards and support materials to help you understand and implement accessibility.
You
You can use W3C WAI resources to make your websites, applications, and other digital creations more accessible and usable to everyone.
News
Current Work
(updated monthly)
SeeWhat We're Working On – Accessibility Activities and Publications
DPUB-ARIA and DPUB-AAM are now Web Standards (W3C Recommendations)
(2025-Jun-12)
Digital Publishing WAI-ARIA Module 1.1 (DPUB-ARIA) andDigital Publishing Accessibility API Mappings 1.1 (DPUB-AAM) are now web standards (W3C Recommendations). DPUB-ARIA defines a set of ARIA roles to help assistive technology users navigate structural divisions of long-form digital documents, such as eBooks. DPUB-AAM defines how user agents (such as eBook readers) map the DPUB-ARIA markup to platform accessibility APIs. For an introduction to WAI-ARIA, seeWAI-ARIA Overview.
For Review: Guidance on Applying WCAG 2.2 to Mobile Applications (WCAG2Mobile) — First Draft Note
(2025-May-06)
Guidance on Applying WCAG 2.2 to Mobile Applications is available as a first Draft Note. WCAG2Mobile describes how Web Content Accessibility Guidelines (WCAG) 2.2 principles, guidelines, and success criteria can be applied to mobile applications, including native mobile apps, mobile web apps, and hybrid apps using web components inside native mobile apps. We welcome your comments on the direction and approach of this in-progress resource. To comment via email or GitHub, see links in the‘Status of This Document’ section.
WCAG 2.1 published with minor technical fixes
(2025-May-06)
W3C published an update that addresses minor technical issues in the December 2024 publication of WCAG 2.1. The 6 May 2025 publication isWeb Content Accessibility Guidelines (WCAG) 2.1.
The changes are listed in theChange Log section of WCAG 2.1.
WCAG 2.2 in Brazilian Portuguese – Authorized Translation Published
(2025-Mar-27)
Diretrizes de Acessibilidade para Conteúdo Web (WCAG) 2.2, the Brazilian Portuguese Authorized Translation of Web Content Accessibility Guidelines 2.2 (WCAG), is now available. This translation followed theW3C Authorized Translations process.
Other translations of WAI resources are listed inAll WAI Translations.
WAI thanks all who contribute to translations, and encourages translations of W3C accessibility standards and resources in all languages. If you might be interested in translating resources, seeTranslating WAI Resources.
WCAG 2.2 in French – Authorized Translation Published
(2025-Mar-17)
Règles pour l’accessibilité des contenus Web (WCAG) 2.2, the French authorized translation of Web Content Accessibility Guidelines 2.2 (WCAG), is now available. This translation followed theW3C Authorized Translations process.
Other translations of WAI resources are listed inAll WAI Translations.
WAI thanks all who contribute to translations, and encourages translations of W3C accessibility standards and resources in all languages. If you might be interested in translating resources, seeTranslating WAI Resources.
For Review: Accessibility Roles and Responsibilities Mapping (ARRM) — First Draft
(2025-Mar-06)
Accessibility Roles and Responsibilities Mapping (ARRM) is ready for review. ARRM helps your team create more accessible digital products and services. ARRM provides an approach for defining roles, tasks, and responsibilities for meeting Web Content Accessibility Guidelines (WCAG). If you would like to be involved in developing ARRM, we encourage you to join theARRM Community Group.
Collaboration Tools Accessibility User Requirements - Note Published
(2025-Jan-21)
Collaboration Tools Accessibility User Requirements is a completed W3C Group Note. The document covers accessibility user needs, requirements, and scenarios for collaborative content creation and development tools. The solutions identified in this document are intended to influence the evolution of future accessibility guidelines, technical specifications, or features of collaboration tools and assistive technologies. They are also relevant to software developers who contribute to developing the collaborative experience.
See All NewsSubscribe to WAI NewsSee what we have for you:Get Resources for…
Training Course:Digital Accessibility Foundations

The free "Introduction to Web Accessibility" online course provides the foundation you need to make your digital technology accessible. It's designed for:
- technical and non-technical learners
- developers, designers, ux, writers, managers, advocates
- professionals, instructors, students
Web Accessibility Perspectives:Video Captions
Captions are the audio information in text that is synchronized with the audio and visual content. Captions are called "subtitles" in some regions.
Video Captions are essential for people with disabilities and benefit everyone in a variety of situations.
Featured Resource:Making Audio and Video Media Accessible

This media resource helps you understand and create captions/subtitles, audio description of visual information, descriptive transcripts, and sign language for media. It introduces user experiences and benefits to organizations.
Sponsors and Funders
WAI is supported in part by the following organizations. Thank you!
- Ford Foundation,Technology and Society Program
- US National Institute for Disability, Independent Living and Rehabilitation Research (NIDILRR)
WAI welcomes donations, sponsors, grants and otherfinancial support.