Guides
Reference documents in English. I publish them before they’re finished and correct them in public: every guide carries its update date and a record of what changed.
a11y-toolkit: the audit companion I always wanted, now open source
Twenty years of accessibility auditing distilled into a toolkit your AI coding agent can run natively: 23 MCP tools covering audit → fix → document → watch → hand off for WCAG 2.2. Free, MIT, es/en. (September 2026)
The real WCAG failure on gov.uk that axe doesn't report
The most accessibility-famous website in the world has a search button that fails WCAG 2.2 AA — and the industry's default scanner doesn't mention it. Why computed contrast matters. (September 2026)
GEO in Spanish: how to show up in AI answers
A practical guide to Generative Engine Optimization (GEO) for the Spanish-speaking market: how AIs cite (ChatGPT, Perplexity, AI Overviews), what structure they reward, what to measure and what not to do. (August 2026)
Law 11/2023 (European Accessibility Act): a practical guide for websites and ecommerce
What the European Accessibility Act has required since 28 June 2025, exactly who it affects, the sanctions regime, and where to start complying (WCAG 2.2 AA / EN 301 549). (August 2026)
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