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Core concept · AI Search Infrastructure

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Definition

Synthetic content is text, images, video, or other media generated by AI systems rather than created by humans. In SEO and AI search contexts, it typically refers to AI-written articles, product descriptions, or blog posts published at scale. Synthetic content occupies an increasingly contested space in AI search. Search engines have updated quality guidelines to target low-value, undifferentiated AI-generated content while leaving room for AI-assisted content that demonstrates genuine expertise and original perspective. For AI citation specifically, synthetic content that adds no new information, first-hand experience, or original data is unlikely to earn citations — the same standard applies whether content is written by a human or a machine.

Information gain

E-E-A-T

Content corroboration

Training corpus

Original research

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