HTML5 accessibility
HTML5 accessibility provides a comprehensive overview of how major browsers support HTML5 elements and attributes in terms of accessibility. It evaluates whether features are keyboard accessible and correctly mapped to platform accessibility APIs. The site includes detailed test pages for various HTML elements, helping developers understand which features are usable by people relying on assistive technology without requiring additional ARIA workarounds.
Checked on Oct 19, 2026.
Alternative resources
Contrast Ratio
A web-based tool to calculate color contrast ratios and verify compliance with WCAG accessibility standards.
Radix UI
An open source component library for building accessible, high-quality web applications with React.
Site Punchlist
Automated website accessibility testing tool that crawls pages, groups defects by severity and reach, and provides specific code fixes.