How to Use ARIA Alert Effectively – The A11Y Collective

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How to Use ARIA Alert Effectively

Code & development

Boost web accessibility with ARIA alerts. Learn best practices, avoid pitfalls, and ensure compatibility across browsers and assistive tech.

27 January 2025

Written by
Florian Schroiff

Florian Schroiff has been building for the web for almost 20 years. He has worked on countless accessible websites as a freelancer and for various agencies. As a front-end expert he is always searching for ways to improve accessibility and user experience and to share them with his team — and now with you!

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Do you know how to make sure users of assistive technology don’t miss important updates on your website? The best strategy here is to use ARIA alerts – they’re like a gentle tap on the shoulder for users, making sure they receive urgent information at the right time.

ARIA alerts (using role=”alert”) help you communicate time-sensitive information to people using screen readers and other assistive technologies. When content marked with this role updates, it triggers a notification that screen readers announce straight away.

But getting ARIA alerts right can be tricky. Use them too much, and you might overwhelm your users. Use them incorrectly, [...]

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