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Technical SEO, search intelligence, and the code behind it — notes from 20+ years of making websites work harder.

All 124 SEO & GEO 88 Digital Marketing 16 Tips 12 AI & LLM 6 Nix 2
Latest post

Ollama vs llama.cpp: why the same model felt twice as fast

▸TL;DR
  • Ollama is built on top of llama.cpp, so the inference engine is identical — the speed gap comes from the binary, the defaults and version drift, not the model.
  • On a CPU-only laptop a freshly compiled binary (AVX2/FMA), flash attention, KV-cache quantisation and the right thread count can change the experience substantially.
AI & LLM·13 Jun 2026·6 min read
Table of contents
  • The first surprise: they're the same engine
  • The binary matters more than I thought
  • A short detour: what AVX2 and FMA actually are
  • How to check what your CPU has
  • Defaults that quietly cost you performance
  • Version drift
  • Why CPU-only made the gap obvious
  • The takeaway
  • What to try, in order of impact
AI & LLM7 May 2026

When brute force beats HNSW — a DuckDB VSS lesson

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.

10 min read
SEO & GEO1 May 2026

The cost of falling in love with technology

Cypher is expressive, graphs fit SEO data, embedded options exist. None of it survived the question 'what happens when the user opens DevTools?'

5 min read
SEO & GEO22 Apr 2026

Shadow DOM — the panic room inside your web page

The Shadow DOM is a secret room inside your web page — with its own CSS, its own events, and the quiet ability to vanish from your SEO audits and every AI crawler that ever visits.

5 min read