Heading Structure Visualizer
Build an H1–H6 outline and catch missing H1s, hierarchy skips, and empty headings.
On-page and content substance
Last reviewed Nov 11, 2026
Free, no signup
Enter a URL to visualize heading structure.
Score
SERP preview
Title ≈ px · Description ≈ px
Outline
Top 1-grams
Top 2-grams
Top 3-grams
Link sample
| Status | OK | URL |
|---|---|---|
Images
| Alt | Issues | Src |
|---|---|---|
Field comparison
| Field | A | B | Match |
|---|---|---|---|
Duplicate titles
Duplicate descriptions
Fetched pages
| Status | Title | URL |
|---|---|---|
Checks
Recommendations
Extracted sample
Methodology
FAQ
Yes. Fair-use rate limits keep the suite available for everyone.
Yes. CDNs, registry redaction, and heuristics mean you should verify critical findings in your own environment.
Runs are processed to return results. Avoid pasting secrets or personal data you would not put in a public tool.