guide
EN 301 549 on React: complete compliance checklist
Implementing EN 301 549 compliance on React means addressing the platform's specific failure modes (custom components rebuilding native primitives badly, hydration mismatches obscuring at view) while applying EN 301 549 — Accessibility requirements for ICT products and services success criteria across content, code, and editorial workflow.
EN 301 549 in 60 seconds
EN 301 549 is the harmonised European standard for digital accessibility, maintained jointly by ETSI, CEN, and CENELEC, that incorporates WCAG 2.1 AA for web and mobile content and adds requirements for hardware, software, documentation and support — and is the technical reference for both the European Accessibility Act and the Web Accessibility Directive.
React accessibility — what you are starting with
React produces whatever HTML you tell it to. Accessibility is a function of component choices and library usage.
EN 301 549 setup checklist for React
1. Use accessible primitives libraries: react-aria, Radix UI, Headless UI ship WCAG-tested primitives.
2. Wire axe-core: @axe-core/react in dev; jest-axe in tests.
Common EN 301 549 failures on React
• Custom components rebuilding native primitives badly
• Hydration mismatches obscuring AT view
• Route announcements
Putting it together
Combine EN 301 549's Level AA requirements with React's native tooling. Bake accessibility into your component library and editorial workflow; instrument axe-core in CI for regression.
FAQ
Frequently asked questions
Cited answers. Sourced. Updated as standards and case law change.
Is React EN 301 549-compliant out of the box?
React is markup-agnostic. Accessibility comes from the developer's choices, not the framework.
What is the easiest path to EN 301 549 compliance on React?
Start with the platform's most-accessible default theme (where applicable), audit each installed plugin/extension/module, train content authors on alt text and heading hierarchy, and instrument axe-core in your CI pipeline.
Is React accessible?
React is markup-agnostic. Accessibility comes from the developer's choices, not the framework.
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