Validators · 100% free
HTML Heading Hierarchy Validator
Validate heading hierarchy (H1-H6), flags skipped levels, multiple H1s, accessibility issues.
SEO Accessibility
Issues found
1
- Skipped level at heading 5: H2 → H4
Heading outline (5)
H1 Page TitleH2 Section AH3 Sub A1H2 Section BH4 Skipped H3 here!About this tool
Properly nested headings are critical for SEO and screen readers. Validator flags violations of POUR Operable principle.
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