---
title: "Headings Map"
description: "Browser extension that renders a document's heading outline and flags skipped or misordered heading levels instantly."
canonical: "https://vibing.inc/library/headings-map-vg-0523"
category: "Design Systems & Foundations"
subcategory: "Accessibility"
license: "free"
author: "Rumoroso"
source: "https://addons.mozilla.org/en-US/firefox/addon/headingsmap/"
---

# Headings Map
Browser extension that renders a document's heading outline and flags skipped or misordered heading levels instantly.
## Facts
- Source: https://addons.mozilla.org/en-US/firefox/addon/headingsmap/
- Category: Design Systems & Foundations / Accessibility
- Author: Rumoroso
- Licence: free
- Tags: accessibility, headings, extension, audit
## Why it's a gem
Ten-second structural audit that catches the single most common a11y defect.
---
Listed in The Vibeary: https://vibing.inc/library/headings-map-vg-0523 · JSON: https://vibing.inc/api/public/library/gems/headings-map-vg-0523