Further information
Introductions online
- Accessibility explained simply: http://www.einfach-barrierefrei.net
- A comprehensive collection of articles (English): https://webaim.org
More in-depth books
- Barrierefreiheit verstehen und umsetzen – Jan Eric Hellbusch, Kerstin Probiesch: https://www.dpunkt.de/buecher/2537.html
- Accessibility For Everyone – Laura Kalbag (English): https://abookapart.com/products/accessibility-for-everyone
- A Web for Everyone – Sarah Horton and Whitney Quesenbery (English): http://rosenfeldmedia.com/books/a-web-for-everyone
Useful reading for developers
- Accessibility Developer Guide for HTML with tips for an optimal development setup and many examples (English): https://www.accessibility-developer-guide.com
- BBC Guide for iOS, Android and HTML (English): http://www.bbc.co.uk/guidelines/futuremedia/accessibility/mobile
- iOS Accessibility Documentation (English): https://developer.apple.com/accessibility/ios
- Android Accessibility Documentation (English): https://developer.android.com/guide/topics/ui/accessibility
Documents for certification
- Web Content Accessibility Guidelines on which both certification and the legal foundations are based (English): https://www.w3.org/TR/WCAG21
- Complete checklist for certifications based on the WCAG: http://www.accessibility-checklist.ch
- Advice from the Access For All foundation: https://access-for-all.ch/ch/beratung.html