Accessibility Statement

WCAG 2.1 Level AA Compliant

Commitment to Accessibility

This website is committed to ensuring digital accessibility for people with disabilities. We are continually improving the user experience for everyone and applying the relevant accessibility standards.

Standards

This website conforms to:

WCAG 2.1 Level AA (Web Content Accessibility Guidelines)
Section 508 standards (for U.S. federal agencies and institutions receiving federal funding)

Accessibility Features

Keyboard Navigation

All interactive elements are keyboard accessible
Skip to main content link available (press Tab on page load)
Logical tab order throughout the site
Keyboard shortcuts for visualizations (Arrow keys, Space, R for reset)

Screen Reader Support

Semantic HTML structure with proper headings
ARIA labels and roles for navigation and interactive elements
Descriptive link text and aria-labels
Live regions for dynamic content updates

Visual Accessibility

High contrast color scheme (all text meets 4.5:1 contrast ratio)
Focus indicators on all interactive elements
Text resizable up to 200% without loss of functionality
Responsive design works on all screen sizes

Motion and Animation

Respects prefers-reduced-motion user preference
Animations can be paused in visualizations
No auto-playing content

Interactive Visualizations

Keyboard navigation supported
ARIA labels on all controls
Step-by-step mode available
Speed controls for animations

Feedback

We welcome your feedback on the accessibility of this website. If you encounter accessibility barriers, please contact us via GitHub Issues or email.

Testing

This website has been tested with:

Screen readers (NVDA, JAWS, VoiceOver)
Keyboard-only navigation
Browser zoom (up to 200%)
Automated accessibility tools (WAVE, axe DevTools)

Resources

Last updated: March 10, 2026