How to use HTML Heading Outline Checker
- Paste the HTML of a webpage.
- Run the heading extractor.
- Review the H1 count and nested heading order.
SEO TOOLS / FREE ONLINE TOOL
HTML Heading Outline Checker
Inspect H1 through H6 headings from pasted HTML to understand the page structure before publishing.
✓ Browser only✓ No signup✓ Copy or download
Limitations and useful tips
This tool only checks supplied HTML; it does not crawl pages or evaluate every SEO quality signal.
How to use HTML Heading Outline Checker
- Paste the HTML of a webpage.
- Run the heading extractor.
- Review the H1 count and nested heading order.
What to know before you start
This tool only checks supplied HTML; it does not crawl pages or evaluate every SEO quality signal.