Invitation to submit topic page.
Please submit your copy following these guidelines.
Place three or four learning objectives at the top of each topic page. State a question - encourage reading further, do not provide the answer. Consider what question would be asked for search engines to direct visitors to your topic page.
Add Embedded links
Picture Size and Background Color
Photo description is the Alt Text
Web Accessibility - Developing with Empathy
TAB key is used for keyboard navigation.
For WCAG Usability Checklist view this PDF.
For a detailed lesson on accessibility, visit Udacity free courses including this one: Web Accessibility
Developing with Empathy
Making a page work properly with screen readers, and managing input focus ... enable navigating the interface with a range of assistive devices. Finally, you’ll learn styling techniques that help users with partial vision navigate your pages easily and reliably.
Some statistics on disability for the US: