Rule aeo-651777ad703ac2aa · infrastructure · high confidence

Use a single H1 and clean sequential heading hierarchy — sequential headings correlate with 2.8× higher citation likelihood, 68.7% of ChatGPT-cited pages follow logical hierarchies, and 87% use a single H1.

Applies to: blog, product, faq, landing

Why this matters

Skipped heading levels or multiple H1s make it harder for models to understand section relationships.

Implementation

Type: template

Anti-pattern

Fragmented heading structure with skipped levels or multiple H1s.

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