Heading Structure Analyzer

Inspect the page outline, find common structural problems, and prepare a report for manual review.

100% Free

WCAG-Informed Checks

Instant Results

SEO Heuristics

Analyze Heading Structure

Enter a URL or paste HTML content to analyze heading hierarchy for SEO and accessibility

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Why Use Our Heading Analyzer?

SEO Optimization

Review semantic hierarchy and make section topics easier for people and crawlers to interpret.

Assistive Technology Review

Identify outline patterns that can make heading navigation confusing, then verify them in context.

Detailed Analysis

Get comprehensive reports with specific recommendations for improving your heading structure.

User Experience

Improve content readability and navigation for all users, including those using assistive technologies.

Fast & Free

Get instant results with our lightning-fast analysis tool. No registration or payment required.

Actionable Insights

Receive clear, implementable recommendations to fix heading structure issues and boost performance.

Frequently Asked Questions

What is heading structure analysis?

Heading structure analysis examines the H1-H6 hierarchy on your webpage to ensure proper semantic organization, semantic structure, and accessibility review. It identifies missing heading levels, improper nesting, and opportunities for manual investigation.

Why is proper heading structure important for SEO?

Search engines use heading structure to understand content hierarchy and context. Proper H1-H6 organization helps search engines index your content more effectively, potentially improving rankings and featured snippet opportunities.

How does heading structure affect accessibility?

Screen readers and assistive technologies rely on proper heading structure to navigate content efficiently. Users can jump between headings to quickly find relevant sections, making your content more accessible to people with disabilities.

Essential Accessibility Resources

Comprehensive tools, checklists, and guides to help you create inclusive digital experiences

Top Pick

ARIA Landmarks & Page Structure Guide

Landmarks and headings are the two maps a screen reader user navigates by, so an accessible page has to put its structure in the markup. Covers the eight landmark roles and the HTML that provides them, the scoping rule where header and footer are only landmarks at the top level, the section trap where a section is not a landmark until it has an accessible name, one main and naming repeated regions, the heading map and the debunked HTML5 document outline, complete coverage and reading order, and how NVDA, JAWS, and VoiceOver navigate by structure, mapped to WCAG 2.2

semantic html accessibility

heading structure accessibility

semantic html

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