Guidelines for using ARIA (Accessible Rich Internet Applications) to enhance accessibility.
https://www.w3.org/WAI/ARIA/apg/Level: any
Subsection: Assistive Technologies
Offers in-depth accessibility training and courses for developers, designers, and content creators, focusing on web and mobile accessibility.
https://dequeuniversity.com/Level: any
Subsection: General
A suite of evaluation tools that helps authors make their web content more accessible to individuals with disabilities.
https://wave.webaim.org/Level: any
Subsection: Tools