Links on the Topic of Accessibility
You can find a wealth of information on the topic of accessibility online. Below is a list of selected links, organized by author and topic.
Authors and Sources
WCAG
Web Content Accessibility Guidelines (WCAG) 2.1
Web Content Accessibility Guidelines (WCAG) 2.1
Designing for Web Accessibility
Developing for Web Accessibility
Federal Republic of Germany
Federal Government Services Consolidation Accessibility Portal
Topics
ARIA Roles and Attributes
ARIA Authoring Practices Guide (APG) (W3C)
Using WAI-ARIA (W3C)
Accessible Rich Internet Applications (ARIA) (Germany)
ARIA (Mozilla)
HTML
HTML Semantic Elements (w3schools)
Laws
The Federal Government Commissioner for Information Technology
Federal Ministry of Labor and Social Affairs
Tests & Tools