H1 & Heading Structure Checker
Inspect the primary H1 count and heading signals in the returned HTML.
How to use the H1 & Heading Structure Checker
Inspect the primary H1 count and heading signals in the returned HTML.
Interpret the results
Write headings for comprehension. A clear H1 usually helps orientation, but multiple H1 elements are not automatically an SEO penalty. Review visual and semantic hierarchy together.
Example
Inspect a page with two unrelated top-level headings.
Limits and methodology
This is source-HTML analysis, not a rendered accessibility tree.
Use this tool together with related checks for a fuller picture. Recommendations are based on the available observed evidence, not on secret search engine ranking data.
Tool workflow and verification
Inspect a page with two unrelated top-level headings.
Write headings for comprehension. A clear H1 usually helps orientation, but multiple H1 elements are not automatically an SEO penalty. Review visual and semantic hierarchy together.
This is source-HTML analysis, not a rendered accessibility tree.
This tool page is an educational guide as well as a functional utility. Demand trends and real search impressions must come from verified search data, not keyword guesses.
Frequently asked questions
What does this tool measure?
Inspect the primary H1 count and heading signals in the returned HTML.
How should I use its findings?
Write headings for comprehension. A clear H1 usually helps orientation, but multiple H1 elements are not automatically an SEO penalty. Review visual and semantic hierarchy together.
What are the limitations?
This is source-HTML analysis, not a rendered accessibility tree.