Core Concepts
Semantic Authority
How much an AI system treats a source as reliable on a subject, expressed through whether it retrieves and cites that source. It is not a score any platform publishes, and nobody outside the labs can measure it directly, which is worth saying because plenty of tools imply otherwise. What controlled research supports is narrower and more useful: in the Princeton GEO-bench study across 10,000 queries, adding quotations raised a source's share of the answer by 41%, statistics by 30%, and cited sources by 27%, while keyword stuffing scored below doing nothing.