VOL. XV Builder. Investor. Web obsessive. WIJCHEN, NL
Joost de Valk
Internet entrepreneur from the Netherlands. Founder of Yoast — the WordPress SEO plugin. These days I invest in and build digital companies through Emilia Capital, and I'm working on Progress Planner and Rondo.
This blog is where I think out loud about the open web, content management, AI's effect on publishing, and the craft of shipping software that people actually use.
Fixing the plumbing of the web
I shipped specification.website, a platform-agnostic specification of what every good website should ship. Because two recent PRs taught me that patches fix one platform at a time, and the open web has no shared target.
SEO · Development
Recent articles
87 2026·05·29 SEO Fixing the plumbing of the web 4 min 86 2026·05·24 Open Source Open Source First is right, but not enough. 6 min 85 2026·05·22 Development Agent-ready by design 10 min 84 2026·05·21 AI What's a visitor in the age of AI? 6 min 83 2026·05·11 SEO FAQ schema died twice. The fix is FAQSection. 6 min 82 2026·05·09 Personal stuff Vol. XV: out with the AI slop 4 min
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