Home/Wiki/Ship-ready/Make the site crawlable and citable/Clear the technical baseline/One H1 per page, sequential heading hierarchyOne H1 per page, sequential heading hierarchySequential headings appear on 68.7% of ChatGPT-cited pages against 23.9% of Google’s top results, and 87% of cited pages have a single H1 (AirOps, 2025). It is a correlation, not proof that headings cause citation.Step 1.3.1.1Time: 45mEvidenceIn topicsTechnical SEO and indexingGenerate sitemap.xml automatically →Open in the launch plan