Heading Checker
Analyze heading hierarchy (H1-H6) on any webpage. Detect missing H1, multiple H1s, skipped levels, and empty headings. Free, no server.
All processing in-browser via CORS proxy · No data stored
About Heading Checker
Analyze heading hierarchy on any webpage to improve SEO and accessibility. Extract all H1-H6 tags, visualize the outline structure, and get actionable fixes for heading issues. All processing happens through a CORS proxy — no data stored.
Heading Extraction
Extracts every H1 through H6 element from any webpage with their exact text content and order of appearance.
Hierarchy Validation
Detects skipped heading levels, missing H1 tags, multiple H1s, out-of-order headings, and empty heading elements.
Visual Outline Tree
See your page's heading structure as a nested tree view. Instantly spot structural issues in content hierarchy.
SEO & Accessibility
Proper heading hierarchy helps search engines understand content structure and improves screen reader navigation. WCAG compliant.
📋 Common Use Cases
Improve Search Rankings
Optimize titles, meta descriptions, content, and technical SEO to rank higher in search results.
Content Strategy
Identify keyword opportunities and content gaps. Build data-driven content plans.
Technical SEO Health
Audit structured data, meta tags, and site structure to ensure search engines can effectively crawl and index your pages.
Competitive Advantage
Benchmark against competitors and find opportunities they are missing.
🪜 How to Use This Tool
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Enter your content or URL
Paste text, provide a URL, or describe your topic. The tool analyzes your input for SEO optimization. -
Review the analysis
See scores, flagged issues, and recommendations organized by priority and impact. -
Apply recommendations
Follow step-by-step guidance to fix issues. Most tools show before/after comparisons. -
Verify and monitor
Implement changes and re-audit periodically. SEO is ongoing — regular checks maintain rankings.