Thin Content
In one line
Thin content is content that adds little or no value for users — shallow, duplicated, or auto-generated — and it tends to get downgraded under Google's quality systems.
Going deeper
Thin content isn't just about word count. AI-spun comparison posts, category pages that copy the product description verbatim, one-paragraph 'definition' posts — anything where the user takes nothing away qualifies.
Google's Helpful Content system and core updates have steadily demoted thin content. Even a localised cluster of thin pages can drag domain-level signals, which is why pruning beats hoarding.
It's even clearer in GEO. LLMs evaluate citation candidates sentence-by-sentence for factuality and depth, so thin content is effectively removed from the citation pool. Refining beats churning out volume.
Related terms
E-E-A-T
E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) is Google's four-axis lens for content quality — and the same kinds of signals matter when LLMs decide whom to cite.
SEOTopical Authority
Topical authority is the credit a domain earns when search engines decide it covers an entire subject area deeply and consistently — not just one or two posts.
SEOKeyword Cannibalization
Keyword cannibalization happens when multiple pages on the same site target the same query and end up competing with each other, dragging all of their rankings down.
SEOContent Cluster / Pillar Page
A content cluster is a structure where a pillar page covers a broad topic and supporting cluster posts answer its sub-questions, all tied together with internal links.
SEOHeading Tags (H1~H6)
Heading tags (H1 through H6) define a page's title hierarchy in HTML, signalling content structure to both users and search engines.
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