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Headliner

5.0(

4 ratings

)
ExtensionDeveloper Tools26 users
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Overview

Analyze and visualize the heading structure of any webpage. Perfect for content creators, developers, and accessibility auditors.

✨ Heading Analysis - Extracts all headings (H1–H6) from the current page - Displays them in a clean, hierarchical tree view - Shows summary statistics of heading distribution 📊 Document Outline - Visualizes the semantic structure of the page - Maps HTML5 sectioning elements (article, section, aside, nav, etc.) - Shows how headings relate to page sections 🔍 Issue Detection - Missing H1 tag - Empty headings (accessibility issue) - Multiple H1 tags (only one should exist) - Broken heading hierarchy (e.g., H2 → H4) - H1 not positioned as the first heading - Duplicate heading text (confusing for navigation) - Excessively long headings (>120 characters) 🎯 Interactive Navigation - Click any heading to scroll to it on the page with highlight animation - Three-tab interface: Headings, Outline, and Issues

Details

  • Version
    1.0.0
  • Updated
    January 9, 2026
  • Offered by
    JGastager
  • Size
    16.86KiB
  • Languages
    English
  • Developer
    Email
    jgastager@gmx.at
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

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The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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