Introductions online
- A comprehensive collection of articles (English):
https://webaim.org
More in-depth books
- Barrierefreiheit verstehen und umsetzen – Jan Eric Hellbusch, Kerstin Probiesch:
https://dpunkt.de/produkt/barrierefreiheit-verstehen-und-umsetzen/ - 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/leistungen/beratung/
Important inspiration for this guide
http://accessibility.voxmedia.com https://accessibility.digital.gov https://moritzgiessmann.de/accessibility-cheatsheet