Web Accessibility Principles
Accessibility guidelines and techniques are based on four core principles:
- Perceivable – Available through sight, hearing, or touch.
- Operable – Compatible with keyboard or mouse.
- Understandable – Easy to comprehend.
- Robust – Works across browsers, assistive technologies, mobile devices, old devices/browsers, etc. Follows standards.
- Every non-text element needs a text equivalent (often conveyed in the alt attribute) to provide an alternative to the image content.
- The alt attribute should present the content and function of an image, but not necessarily a detailed [...]