llms.txt: what it is, how to create it and why it doesn’t help (yet)
Does llms.txt help you show up in ChatGPT or Google? What it is, how to set it up and what the real data says (SE Ranking, Ahrefs, Google). An honest verdict from Rafa Villaplana.
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Ideas para crecer en Google y en la IA
SEO, GEO, automatización y autoridad de marca, con casos reales y procesos que puedes aplicar.
How to measure your brand’s visibility in ChatGPT, Gemini and Perplexity
How to measure your visibility in ChatGPT, Gemini and Perplexity: which metrics matter (share of voice, not rankings), which free sources to use and how to build your own system. A guide by Rafa Villaplana.
Schema markup and GEO: which structured data LLMs read (and which they don’t)
Does schema markup help AI cite you? Which structured data ChatGPT and Google read (and don’t), according to the data, and what schema is still good for. A guide by Rafa Villaplana.
How AI cites sources in 2026: training, RAG and grounding
Training, retrieval and grounding: how ChatGPT, Perplexity and Google’s AI select and cite content, and what you can really optimise. A guide by Rafa Villaplana.
GEO vs SEO in 2026: differences, data and why they coexist
GEO doesn’t replace SEO: it extends it. What each discipline is, what the 2025–2026 data says and how to get AI to cite your brand. A guide by Rafa Villaplana.