Description
NerdeRegion is a developer tools extension for debugging live regions on a Web Page. When activated, it lists all active Aria live regions, and keeps a record of all mutations that has happened on the region.
You can use NerdeRegion to,
- Check if a live region is being updated properly,
- Check if accessible name computation (beta) is done correctly,
- Check if live region is being re-used correctly.
To use the extension, open your browser’s Developer Tools, and navigate to the NerdeRegion tab.
NerdeRegion is a free and Open-source project. You can contribute to its source code, or create support requests on GitHub.
Reviews
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Permissions (2)
Permissions
activeTabℹ Can access the current tab when you click the extension scriptingℹ Can inject scripts into web pages
Details
| Version | 1.2.0 |
| Updated | Dec 18, 2025 |
| Size | 63.83KiB |
| First Seen | Mar 22, 2026 |
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