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Aria Live Regions

Design
aria-live-regions

Aria Live Regions is an Agent Skill for design published in the thedaviddias/Front-End-Checklist repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Use when reviewing rendered HTML, interactive components, or design-system patterns related to Announce dynamic content with ARIA live regions. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.

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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/thedaviddias/Front-End-Checklist/blob/HEAD/skills/aria-live-regions/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/aria-live-regions, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Announce dynamic content with ARIA live regions

Without live regions, screen reader users miss dynamic updates entirely—they won't know their form submitted, their cart updated, or an error occurred.

Quick Reference

  • Use aria-live='polite' for non-urgent updates (cart count, status messages)
  • Use aria-live='assertive' only for critical alerts (errors, session expiry)
  • Use role='alert' or role='status' for semantic live regions
  • The live region must exist in DOM before content changes

Check

Verify that dynamic content changes (notifications, form errors, loading states) use aria-live regions appropriately.

Fix

Add aria-live attributes with correct politeness levels (polite, assertive) to containers with dynamic content.

Explain

Explain how ARIA live regions enable screen readers to announce content changes without requiring user focus.

Code Review

Review the rendered markup and interactive states that affect Announce dynamic content with ARIA live regions. Flag exact elements, roles, labels, focus behavior, or keyboard interactions that violate the rule, and note how to verify the fix with browser accessibility tooling or assistive tech.

For full implementation details, code examples, and framework-specific guidance, see references/rule.md.

Rule page: https://frontendchecklist.io/en/rules/accessibility/aria-live-regions