WCAG 2.1
Reference for Web Content Accessibility Guidelines.
Perceivable
Guideline 1.1
Text Alternatives
Guideline 1.2
Time Based Media
Guideline 1.3
Adaptable
Guideline 1.4
DIstinguishable
Operable
Guideline 2.1
Keyboard Accessible
Guideline 2.2
Enough Time
Guideline 2.3
Seizures
Guideline 2.4
Navigable
Guideline 2.5
Input Modalities
Understandable
Robust
Guideline 4.1
Compatible