// SEO
The logical nesting of H1-H6 heading tags on a page. Each page should have exactly one H1, followed by H2s for sections, H3s for subsections. Skipped levels (H1 to H3) confuse crawlers and screen readers.
Why it matters: Heading Hierarchy is one of the seo signals that shapes how search engines, AI tools, and real visitors experience your website. Getting it right removes friction, protects your rankings, and makes every other optimization work harder. Auditing it regularly is the fastest way to catch regressions before they cost you traffic or conversions.
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