Blog
Notes and essays on SEO, GEO, lead generation and how to make marketing end up in the P&L.

They're selling you GEO blind: zero serious studies in Spanish
Fishkin, Ahrefs, Profound, Princeton-KDD: all the rigor published on AI engine visibility is in English. In Spanish, zero. The sector is applying a map of another city. Why it matters, what Akerlof says about the market for lemons, and what Elevam Labs is measuring.

The language arbitrage: your brand is invisible to half the world's AI
We measured how ChatGPT, Gemini, Claude and Perplexity recommend brands in Spanish vs English. Only 18% overlap. 71% of the English market is captured by third parties. And publishing in English raises your Spanish visibility by 2.3×. Language is the variable Spanish GEO ignores.

How to expose your data to AI with schema, feeds and entity
Why can't your data stay only inside your website any longer? We've advised companies of 2M to 15M€ in revenue that had technically solid websites, good content and reasonable domain authority. And, without…

What ChatGPT says about your company (and how to correct it)
Why do LLMs make things up about your brand? The most solid explanation is offered by the paper Why Language Models Hallucinate by Kalai, Nachum, Vempala and Zhang ( OpenAI/Georgia Tech, September 2025 ): language…

Why AI doesn't recommend the same to everyone and how to segment your GEO visibility
Why doesn't AI recommend the same to everyone? The question seems obvious, but most GEO strategies ignore it entirely. Language models don't work like a classic search engine that returns…

Zero-click on Google: statistics, CTR decline and impact of AI (2019–2025)
I'll be direct: if your acquisition strategy depends on Google's organic traffic, you have a serious problem. And I'm not saying it for sensationalism. I'm saying it because I've spent months measuring what's happening in the accounts…

How to make AI mention me, appearing in ChatGPT or Gemini.
If you got here it's because you're feeling something very specific: why AI doesn't recommend my brand. Or put bluntly: why AI never talks about me even though you feel "I'm doing everything right". And yes, this happens…

Traffic is improving, positions too, but I see no
There's a type of drop you don't see in Search Console. It doesn't knock down positions, no core update "punishes" you, no dramatic curve to justify the scare. It's nastier: everything looks stable… and yet…

How to write SEO content: step-by-step guide for Google, People and AI
Let's start with what matters: what is "SEO content" really? It's not text stuffed with keywords. It's content designed for a specific search intent. Solid explanation, organized to…
