{"id":40,"slug":"wikipedia-top-cited-domain-ai-mode-2026","title":"Wikipedia is the #1 cited domain in Google AI Mode (11.22%); YouTube #2 at 9.51%","kind":"reference","scope":"business","status":"current","audiences":["claude-code","candid-team"],"topics":["ai-citation","measurement"],"reference_body":"**Claim:** Ahrefs Q1 2026 cross-platform data: Wikipedia is the **#1 cited domain in Google AI Mode** at **11.22%** of all tracked mentions; YouTube is #2 at **9.51%**. Surfer SEO Tracker (March-Aug 2025, 36M AI Overviews, 46M citations): YouTube ~23.3%, Wikipedia ~18.4%, Google.com ~16.4%.\n\n**Sources:** Surfer SEO — <https://surferseo.com/blog/ai-citation-report/>; The Digital Bloom — <https://thedigitalbloom.com/learn/google-ai-overviews-top-cited-domains-2025/>; Ahrefs Q1 2026.\n\n**Confidence:** Industry-consensus.\n\n**Common thread among top-cited domains:** **structured, neutral, schema-rich content with explicit citation chains.** Wikipedia operationalizes verifiability; YouTube's metadata (description, chapters, transcripts) is structurally extractable; Reddit's thread structure surfaces atomic Q&A. This is the empirical case for KB-shaped content.","rationale_body":null,"metadata":null,"links":{"outgoing":[{"slug":"wikipedia-verifiability-policy","title":"Wikipedia verifiability policy: all challenged material must carry an inline citation to a reliable published source","kind":"reference","scope":"business","link_type":"relates-to"}],"incoming":[{"slug":"research-brief-kb-backed-website-methodology","title":"Research brief: The knowledge-base-backed website (piece 3 of 15)","kind":"reference","scope":"business","link_type":"relates-to"},{"slug":"profound-680m-citations-perplexity-citation-behavior","title":"Profound (Aug 2024-Jun 2025, 680M citations): only 11% domain overlap between ChatGPT and Perplexity; 13.7% between AI Overviews and AI Mode","kind":"reference","scope":"business","link_type":"relates-to"}]},"created_at":"2026-05-22T18:57:39.634Z","updated_at":"2026-05-22T18:57:39.634Z"}