Understanding GEO: Optimizing visibility in AI search engines

youtube est visibilité ia perplexity
YouTube GEO: Why Does Perplexity Cite Your Videos More Than ChatGPT in 2026? GEO

YouTube GEO: Why Does Perplexity Cite Your Videos More Than ChatGPT in 2026?

Key takeaways Perplexity drives 38.7% of all cross-platform YouTube AI citations, ahead of Google AI Overviews (36.6%). ChatGPT, conversely, cites YouTube in only 0.2% of its responses. YouTube views, likes and subscribers correlate at -0.03 with AI citations. Zero link. LLMs read transcripts, metadata and chapters, not popularity signals. 94%…
balisage schema org et geo
Schema.org for GEO in 2026: Should You Still Mark Up After Google’s FAQ Deprecation? GEO

Schema.org for GEO in 2026: Should You Still Mark Up After Google’s FAQ Deprecation?

Key takeaways Google deprecated FAQ rich results on 7 May 2026. Schema markup is still useful, but its purpose has shifted: it now serves LLMs more than the visual SERP. On the evidence side, only one platform has officially confirmed using Schema.org for its LLM: Microsoft Bing. No peer-reviewed study…
comment faire un audit geo
How to Run a GEO Audit in 2026: The Consultant Deliverable Method? GEO

How to Run a GEO Audit in 2026: The Consultant Deliverable Method?

Key takeaways A GEO audit isn't a tickbox exercise: it's a structured engagement with scoping, measurement, scoring and a 90-day action plan. Five dimensions to cover: AI visibility, technical accessibility, document structure, semantic entities, external citations. The process runs in 5 steps, from scoping to deliverable, each producing an output…
detecter les hallucinations des ia
How to audit AI hallucinations on your brand in 30 minutes in 2026? GEO

How to audit AI hallucinations on your brand in 30 minutes in 2026?

Key takeaways: 60% of LLM responses to research questions contain significant factual errors according to the BBC + EBU 2025 study. 5 types of brand hallucinations are most frequent: false prices, false services, false executives, false reviews, false competitive positioning. The 30-minute audit protocol relies on 5 steps: test panel,…
logo des ia
ChatGPT, Claude, Gemini or Perplexity: which is the best AI for your brand in 2026? GEO

ChatGPT, Claude, Gemini or Perplexity: which is the best AI for your brand in 2026?

Traffic from AI engines converts 4.4 times better than organic (Semrush, 2025). The question is no longer which AI to use for your prompts. It's which one cites your brand under the right conditions. Key takeaways : ChatGPT, Claude, Perplexity and Gemini each have a distinct citation behavior. The best…
optimisation geo externe
Why do 64% of your AI citations come from somewhere other than your site in 2026? GEO

Why do 64% of your AI citations come from somewhere other than your site in 2026?

Key takeaways (detailed version): 64% of a brand's AI citations come from third-party sources, not its owned domain (Stacker, March 2026). Earned media distribution produces a median 239% lift in LLM visibility (study on 87 stories and 8 AI platforms). Up to 90% of citations that drive brand visibility in…
introduction optimisation pour les llm
How to rewrite your intros to capture 44% of LLM citations in 2026? GEO

How to rewrite your intros to capture 44% of LLM citations in 2026?

Key takeaways : 44.2% of LLM citations come from the first third of an article (Ahrefs, 2025). A poorly structured intro remains invisible in generative AI responses. 4 optimization levers: executive summary, direct answer, bulleted TL;DR, entity placement. Measuring your LLM visibility requires a dedicated AI Share of Voice tool.…
Florian Zorgnotti
27 April 2026
query fan out guide récent
Query Fan-Out: Why Your Brand Is Vanishing from AI Responses (and How to Detect It) GEO

Query Fan-Out: Why Your Brand Is Vanishing from AI Responses (and How to Detect It)

When a user queries an LLM, the engine doesn't launch a single search. It triggers dozens in parallel. If you don’t monitor these sub-queries, you are blind to the majority of your visibility surface. The Essentials: LLMs (GPT, Gemini, Perplexity) fragment each prompt into dozens of parallel sub-queries — this…
Florian Zorgnotti
28 March 2026