Facts, stats and sources
Statistics, quotes and citations that make your content quotable.
The best free resources
How to optimize for ChatGPT: LLMs.txt doesn't matter but brand mentions on Quora and Reddit do — Yulia Deda, SE Ranking (2025-11-24)
19+ data points: 5.4 vs 2.8 citations; expert quotes 4.1 vs 2.4C-SEO Bench: Does Conversational SEO Work? — Haritz Puerto, Martin Gubri et al., arXiv (NeurIPS D&B 2025) (2025-06-06 (v3 2025-10-20))
Reality check: most content rewrites don't work; classic SEO winsDo AI Assistants Cite Original Content? 793 AI Citations Measured Against the Pages That Rank — Eric Lancheres, On-Page.ai Research (2026-07-15)
Counter-evidence: AI-cited pages were not more original than uncited onesCreating helpful, reliable, people-first content — — (Google), Google Search Central (live 2026-11)
Original research, sourcing, bylines, first-hand expertise: Google's own trust checklist
Strategies for this step
Curated by effectiveGEOstrategy.com. Every link checked 2026-11-10. Know a better free resource? Tell us.