Leave No One Behind

Building Accessible Web Applications

Transcript

1. Leave No One Behind Building Accessible Web Applications
2. Why? • More Users • The Law • It’s the Right Thing to Do
3. Who? • Users with cognitive impairments • Users with hearing impairments • Users with visual impairments • Seizures • Color Blindness • Presbyopia • Users with motor impairments
4. Let’s Look at Some Code
5. Leave No One Behind • Users with Cognitive Impairments • Check Reading Level for Content • Don’t Build Complicated Interfaces
6. Leave No One Behind • Users with Hearing Impairments • Add visual cues to critical audio notifications • Add close caption tracks to <video> elements
7. Leave No One Behind • Users with Visual Impairments • Give Users a way to Disable Animations • Don’t Rely Solely on Color • Watch Contrast Ratio • Responsive Design • Use HTML5 Elements for Page Layout • Correct Use of Buttons and Links
8. Leave No One Behind • Users with Motor Impairments • Support Focus Styling • Manage Focus • Dynamically set TabIndex attributes, or • Capture keydown events
9. Some Key Resources • Checklist • http://webaim.org/standards/wcag/checklist • Tools • http://khan.github.io/tota11y/ • http://howlowck.github.io/Akbar/ • Learn More • https://www.udacity.com/course/web-accessibility--ud891