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.