Princeton 4-Factor GEO Framework
Heritage GEO Scorecard
Score your archive against the four 2026 factors that correlate with AI-citation probability in Google AI Overviews and Gemini answers.
Entity Densityr = 0.76
Wikidata / Knowledge Graph alignment • benchmark: 15+ recognized entities per page
Do your top pages name 15+ distinct people, places, or works that match Wikipedia/Wikidata entries?
Semantic Unitsr = 0.87
Self-contained 134-167 word answer blocks • benchmark: Passages between 134 and 167 words
Do your articles contain self-contained answer passages of 134-167 words (not just intro + long-form prose)?
Multimodal Integrationr = 0.62
Text + ImageObject + VideoObject schema • benchmark: Mixed media with schema on key pages
Do your priority pages combine text, a high-res image, AND a VideoObject (or AudioObject) JSON-LD block?
llms.txt Manifestr = 0.55
Explicit LLM grounding file at root • benchmark: Valid /llms.txt at site root
Do you serve a valid llms.txt manifest at the site root that maps your most authoritative answer pages?