Semantic Structure Viewer by Alysha
Inspect headings and structural hierarchy instantly.
Extension Metadata
About this extension
Semantic Structure Viewer highlights heading levels and structural markup across a webpage. It helps ensure that content hierarchy is logical and accessible for screen reader users.
Developers and content teams can quickly detect skipped heading levels or improper structure that may impact usability.
Developers and content teams can quickly detect skipped heading levels or improper structure that may impact usability.
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Permissions and data
Required permissions:
- Extend developer tools to access your data in open tabs
- Access your data for all websites
Optional permissions:
- Extend developer tools to access your data in open tabs
- Access your data for account.getstark.co
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 2.21.2
- Size
- 1.84 MB
- Last updated
- 7 days ago (May 10, 2026)
- Related Categories
- License
- The Unlicense
- Version History
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