Heading Structure Checker
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Analyze the heading hierarchy of your page or article and identify structural problems that hurt SEO and readability. Headings help readers scan content and give search engines a structured outline of your topics - a poorly organized hierarchy confuses crawlers and suppresses rankings. Paste your HTML or plain content and the tool displays all heading tags as a visual tree. It checks for a single unique H1, flags skipped heading levels, identifies duplicate headings, and highlights headings that are too short or lack target keywords. Each issue is color-coded with an explanation and fix. All analysis runs in your browser. No account required.
How to Use
- 1Paste your article HTML or content text into the input area, or enter a URL to fetch the live page
- 2Click Analyze to extract and display the heading hierarchy
- 3Review the visual outline showing H1, H2, H3, H4, H5, H6 in a tree structure
- 4Check for warnings: missing H1, multiple H1 tags, or skipped heading levels
- 5Click on any heading in the outline to jump to its position in the source text
- 6Fix any structural issues in your content and re-run the analysis
Features
- Visual heading outline (H1–H6 tree view)
- Single H1 validation
- Skipped heading level detection
- Multiple H1 warning
- URL fetch mode for live pages
- Paste HTML mode for local content
- Heading count summary per level
Frequently Asked Questions
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