
The Gemini Citation Source Index 2026: The 50 Domains Gemini Cites Most
Gemini is the Google-ecosystem engine. YouTube 29.5% of AI Overviews, 43% of citations to Google-owned properties, LinkedIn at 13.5%. The 50 domains Gemini cites.

Gemini is the Google-ecosystem engine. YouTube 29.5% of AI Overviews, 43% of citations to Google-owned properties, LinkedIn at 13.5%. The 50 domains Gemini cites.

Claude is the most selective major AI engine. Social citation rate 3.99%, 97.8% health citations from institutions, 86.7% overlap with Brave Search. The 50 domains Claude cites.

STAT and Endpoints have consolidated biotech citation share. Drugs.com and RTTNews own structured FDA databases. NEJM is the peer-reviewed authority — the healthcare equivalent of law firm blogs in crypto. Closes the franchise with cross-vertical recap of all 8 verticals.

Condé Nast Traveler, Travel + Leisure, Forbes Travel Guide form the working short list for luxury hospitality. Michelin Keys is the watch-this-space new entrant. Awards franchises compound citation weight more cleanly here than any other vertical.

Punchbowl News has taken the daily-Hill citation crown from Politico. Bloomberg Government holds the structured-data lobbying lane. Axios owns smart-brevity policy-business. The Beltway press is now the gatekeeper to the answer box, not just to humans.

Bloomberg dominates IR citations second only to ESPN in sports. Reuters, WSJ, Seeking Alpha, Schwab, FactSet round out the top tier. Earnings call transcripts are now the highest-value IR-citation asset — what your CEO says becomes literal answer-engine training data.

Six independent studies, 680M+ citations, one engine. The 50 domains ChatGPT cites most in 2026 — Wikipedia <20%, Reddit ~10%, LinkedIn 14.3%, Forbes 2x.

CoinDesk and The Block dominate. But Latham, K&L Gates, Ropes & Gray, and Sidley out-cite editorial on regulatory questions. The first vertical where law firm blogs compete with crypto press for citation share.

Goop, MindBodyGreen, Healthline, PureWow, Sunset Magazine — which wellness publications AI engines cite most when answering product, trend, retreat, and lifestyle questions. First-edition spot capture across 10 buyer-intent queries.

ESPN dominates. The Athletic is the attribution moat. Below them: legacy network brands and category specialists. First-edition spot capture across 11 buyer-intent queries spanning NBA, NFL, MLB, soccer, NIL, and sports business.