SEO & AI Glossary
GEO vs SEO, what's the real difference in 2026?
GEO vs SEO, what's the real difference in 2026?
SEO optimizes for Google's blue results, GEO (Generative Engine Optimization) optimizes for answers generated by ChatGPT, Gemini, Perplexity and Claude. 80% of technical work is shared (HTML structure, schemas, source content). The GEO-specific 20%: Answer-First blocks, llms.txt manifest, citations on LLM sources (Wikipedia, Reddit, LinkedIn).
Search intent
Concretely understand the difference between GEO and SEO and know where to invest.
Keywords covered
- geo vs seo
- generative engine optimization
- llm seo
- chatgpt seo
Quick comparison table
SEO target: Google, Bing. GEO target: ChatGPT, Perplexity, Gemini, Claude. SEO KPI: average position, CTR, organic clicks. GEO KPI: verified citations count, brand mentions in LLM answers, brand queries on GSC. SEO investment: 80% of budget. GEO investment: 20% additional. SEO competitive window: saturated on most verticals. GEO window: open until 2027 on 80% of B2B verticals.
What NOT to do
Mistake 1: dropping SEO for GEO only. Google is still 88-90% of organic traffic in 2026. Mistake 2: creating LLM-specific content separate from your site (Gemini and Perplexity cite your existing site, not a parallel AI site). Mistake 3: paying for « guaranteed AI citations »: it doesn't exist, no agency can guarantee a Gemini citation.
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