Nugsoft Developer Guides

Accessibility in Vue 3

Accessibility (a11y) is essential for building inclusive web applications. Vue 3 projects should follow WCAG 2.1 guidelines and industry standards to ensure all users can interact with your app.

Key Principles

  • Use semantic HTML elements (e.g.,
  • Add ARIA attributes only when necessary (prefer native HTML semantics).
  • Ensure keyboard navigation for all interactive elements.
  • Provide sufficient color contrast and scalable font sizes.
  • Use accessible forms with labels, error messages, and fieldset/legend for groups.
  • Test with screen readers (NVDA, JAWS, VoiceOver) and keyboard-only navigation.

Vue-Specific Practices

  • Use accessible UI libraries (e.g., Vuetify, Element Plus) that follow a11y standards.
  • For custom components, ensure focus management and ARIA roles are correctly implemented.
  • Use the v-focus directive or manage focus programmatically for modals/dialogs.
  • Announce dynamic content changes using ARIA live regions when needed.

Example: Accessible Button Component

<template>
  <button :aria-label="label" @click="onClick">
    <slot />
  </button>
</template>
<script setup>
defineProps({
  label: String,
  onClick: Function
})
</script>

Tools & Resources

Testing Accessibility

  • Use automated tools (axe, Lighthouse) for initial checks.
  • Manually test with screen readers and keyboard navigation.
  • Include accessibility checks in your CI pipeline.

Common Pitfalls

  • Missing labels on form fields.
  • Inaccessible custom components (e.g., dropdowns, modals).
  • Poor color contrast or small touch targets.

References

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