This document provides readers with an understanding of how to use WAI-ARIA 1.1 [WAI-ARIA] to create accessible rich internet applications. It describes considerations that might not be evident to most authors from the WAI-ARIA specification alone and recommends approaches to make widgets, navigation, and behaviors accessible using WAI-ARIA roles, states, and properties. This document is directed primarily to Web application developers, but the guidance is also useful for user agent and assistive technology developers.

Making work accessible creates a better experience across the board. Use this checklist to help build accessibility into your process no matter your role or stage in a project.

The team at Vox open-sourced their accessibility guidelines. Check the announcement blog post for more details on their process.

This book will assist frontend developers in building accessible e-commerce websites and components.

A tremendous living resource documenting eBay’s approach to building accessibly for the Web.

Some practical ARIA examples to enhance your application accessibility (by @heydonworks).

I used Heydon’s progressive collapsibles example as a basis for my own aria-collapsible.

This document is a practical guide for developers on how to add accessibility information to HTML elements using the Accessible Rich Internet Applications specification [WAI-ARIA-1.1], which defines a way to make Web content and Web applications more accessible to people with disabilities. This document demonstrates how to use WAI-ARIA in [HTML51], which especially helps with dynamic content and advanced user interface controls developed with Ajax, HTML, JavaScript, and related technologies.

This handy resource shows how WAI-ARIA attributes behave in commonly-used screen readers NVDA, JAWS, VoiceOver, WinEyes, and SaToGo.