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Scanner de hiérarchie de titres — Outil en ligne gratuit

Audit structure H1-H6

Colle ton HTML → analyse structure titres. H1 manquant, niveaux sautés, titres orphelins. Gratuit.

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Heading hierarchy scanner

How to use this tool

  1. 1

    Paste HTML

    Page source.

  2. 2

    See structure

    Tree + issues.

  3. 3

    Fix heading order

    For SEO + A11y.

Frequently Asked Questions

One H1 rule?
Single H1 per page is traditional — HTML5 allows multiple via sectioning but screen readers + SEO still prefer one H1.

À retenir

  • Heading Hierarchy Scanner is a free, browser-based seo & web tool — h1-h6 structure audit.
  • Non signup, no downloads, no file uploads — your data stays on your device.
  • Works on desktop, tablet, and mobile. Install as a PWA for offline access.

How to Use Heading Hierarchy Scanner

  1. Open the tool: Launch Heading Hierarchy Scanner on Outilolis — no account or download needed.
  2. Enter your data: Paste text, enter values, or select a file directly in your browser.
  3. Get instant results: Everything is processed locally — results appear immediately.
  4. Copy or download: Save your output or share it. Bookmark for quick access next time.

Heading Hierarchy Scanner — Quick Facts

Prix
Gratuit — sans limites, sans filigrane, sans paywall
Confidentialité
100% dans le navigateur — aucune donnée n’est envoyée à un serveur
Plateforme
Tout navigateur moderne — desktop, tablette ou mobile
Catégorie
SEO & Web Outils on Outilolis
Hors ligne
Works offline after first visit (Progressive Web App)
CaractéristiqueDétails
OutilHeading Hierarchy Scanner
CatégorieSEO & Web
Inscription requiseNon
Téléversement de fichierAucun — traité dans le navigateur
Compatible mobileEntièrement adaptatif
CoûtGratuit pour toujours

Why Use Heading Hierarchy Scanner?

You should try Heading Hierarchy Scanner for a quick, private way to h1-h6 structure audit. All processing happens in your browser. Your files and data never leave your device. According to web.dev, client-side processing is the gold standard for privacy.

On the other hand, dedicated APIs or desktop tools suit batch processing better. They also handle server-side automation. For everyday tasks, browser tools offer the best speed, privacy, and convenience.

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100% Confidentialité. Cet outil fonctionne entièrement dans votre navigateur. Vos données ne sont jamais envoyées à un serveur.