Technical SEO, search intelligence, and the code behind it — notes from 20+ years of making websites work harder.
An HNSW vector index is not a property of the column it sits on. It's a property of the query shapes the planner can rewrite. Mismatch the shape and the index does nothing — even when the SQL looks like it should benefit.
Determining which entities a document fundamentally discusses is a deceptively simple problem. Here's what I tried for Italian — and why none of it worked.
A quietly overlooked EMNLP 2019 paper anticipated the idea now driving modern generative search. Six years later, it finally deserves a name.
By August 2025, nine months after MCP's release, Ollama still had no native support. I built a working prototype in a weekend.
Ask the same question ten times and you get ten slightly different answers. That's why your AI visibility dashboard might be misleading you.