Leave No One Behind

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