On-Page SEO

H3 Tag

Quick Definition

H3 tags are third-level headings used to structure subsections within H2 sections.

In context

Use H3s when you need finer hierarchy under an H2. Avoid skipping levels (don't go from H2 to H4) — semantic heading structure matters for accessibility and clarity.

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Related terms

H1 Singularity

H1 singularity is the convention that each page should have exactly one H1 element — the page's primary heading — with subsequent headings using H2, H3, and so on in proper hierarchy.

URL Parameter

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Head Term

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Link Equity

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FAQ Schema (FAQPage)

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Meta Keywords (deprecated)

The meta keywords tag is a legacy HTML element where SEOs once listed target keywords; it has been ignored by Google since 2009 and by Bing since 2014.

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