CiterLabs research
State-of reports.
Definitive annual research from CiterLabs on AI search, GEO adoption, citation benchmarks, and the evolving agency landscape. Cite freely with attribution.
All reports
- State of AI Search 2026 — By April 2026, AI-mediated search has crossed the threshold from experiment to default. Google AI Overviews appear on 40%+ of US queries. Ch…
- State of GEO 2026 — Generative Engine Optimization went from emerging discipline in 2024 to standard marketing function in 2026. The methodology has stabilized …
- State of llms.txt Adoption 2026 — The llms.txt standard, proposed by Jeremy Howard in 2024, has reached working-standard status by April 2026. Adopters include Anthropic, Ope…
- AI Overviews Displacement Study 2026 — Google AI Overviews now appear on more than 40% of US queries. Pages displaced from organic position #1 by AI Overviews see click-through ra…
- B2B SaaS Citation Share Benchmarks 2026 — Across 200 B2B SaaS brands measured in early 2026, the median aggregate citation share (averaged across ChatGPT, Claude, Perplexity, and Goo…
- State of the GEO Agency Landscape 2026 — The category 'GEO agency' is still in its land-grab phase as of April 2026. Roughly 12 firms publicly market themselves as GEO specialists. …