Headliner
Analyze and visualize the heading structure of any webpage. Perfect for content creators, developers, and accessibility auditors.
As of June 2026, Headliner has 29 users and a 5.00/5 rating from 5 reviews in the Developer Tools category.
Usersup 7.4 percent+7.4%
29
29
Ratingno change0%
5.00
5 reviews
Reviewsno change0%
5
Version
1.0.1
Manifest V3
90-day change · In the last 90 days this extension 1 version update.
History
8 snapshotsTracking since Apr 1, 2026.
View as table
| Date | Users | Rating | Reviews | Version |
|---|---|---|---|---|
| Apr 1, 2026 | 27 | 5.00 | 5 | 1.0.0 |
| Apr 17, 2026 | 26 | 5.00 | 5 | 1.0.0 |
| Apr 26, 2026 | 30 | 5.00 | 5 | 1.0.0 |
| May 3, 2026 | 32 | 5.00 | 5 | 1.0.1 |
| May 14, 2026 | 31 | 5.00 | 5 | 1.0.1 |
| May 20, 2026 | 33 | 5.00 | 5 | 1.0.1 |
| Jun 3, 2026 | 31 | 5.00 | 5 | 1.0.1 |
| Jun 9, 2026 | 32 | 5.00 | 5 | 1.0.1 |
| Now | 29 | 5.00 | 5 | 1.0.1 |
Permissions & access
- Permissions
- activeTabscriptingsidePaneltabsstorage
- Host access
- <all_urls>
Screenshots
About
✨ 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
Technical
- Version
- 1.0.1
- Manifest
- V3
- Size
- 20.48KiB
- Min Chrome
- 88
- Languages
- 1
- Featured
- No
Metadata
- ID
- gjpddocccoapkmkdddejdfnnapceodcc
- Developer ID
- ub4d6563965957e608b9f111d3bf43792
- Developer Email
- [email protected]
- Created
- Jan 8, 2026
- Last Updated (Store)
- Apr 21, 2026
- Last Scraped
- Jun 9, 2026
- Website
- —
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Data sourced from the Chrome Web Store · last verified Jun 9, 2026.