Perspective

Writing & guides

Field notes on AI visibility: how the web becomes training data, and what that means for being seen.

October 26, 2026 Harmonic centrality: the 76-year-old math behind Common Crawl Common Crawl ranks every host by harmonic centrality to decide what CCBot crawls first. The idea began in an MIT lab in 1948.
September 3, 2026 Why Common Crawl Skipped Your Site CCBot does not follow links continuously. It fills its queues before each crawl and ranks every domain by harmonic centrality.
August 13, 2026 Crawled Is Not Cited Being in the crawl, being in the training data, and being retrieved in an answer are three different things. Most audits stop at the first and call it done.
July 30, 2026 The Token-Efficient Claude Code Playbook Getting the best from Claude Code on the fewest tokens comes down to one idea: protect the context window. A practical playbook, from MCP setup to the habits that make it stick.