Compatibility

3.11 Validate Form Errors and External Input

Web Development

3.14 Develop a Mobile-First Layout

Web Development

3.18 Include Files That Are Automatically Expected

Web Development

3.20 Avoid Using Deprecated or Proprietary Code

Web Development

3.21 Align Technical Requirements With Sustainability Goals

Web Development

3.22 Use the Latest Stable Language Version

Web Development

3.23 Take Advantage of Native Features

Web Development

4.4 Use Error Pages and Redirects Carefully

Hosting & Infrastructure

5.11 Follow a Product Management and Maintenance Strategy

Business & Product Strategy

5.12 Implement Continuous Improvement Procedures

Business & Product Strategy