https://peterjonker.dev/ Recent content in Home on Peter Jonker en Sat, 24 Oct 2026 06:08:41 GMT https://peterjonker.dev/posts/embeddings-paid-search/ Thu, 15 Oct 2026 07:12:58 GMT https://peterjonker.dev/posts/embeddings-paid-search/ Build a topic tree from search data with embeddings, judge product relevance with an LLM, and connect targeting gaps with paid search performance. https://peterjonker.dev/posts/negative-keyword-automation-ai/ Tue, 29 Sep 2026 08:28:14 GMT https://peterjonker.dev/posts/negative-keyword-automation-ai/ A negative keyword system for Google Ads in Python: a daily batch job, an LLM with business context, accuracy tests, and a human approving each negative. https://peterjonker.dev/posts/agentic-coding-ppc-claude-code/ Sun, 08 Mar 2026 00:00:00 GMT https://peterjonker.dev/posts/agentic-coding-ppc-claude-code/ My Claude Code workflow for technical marketing work, with PPC examples: shared instructions, tools, skills, tests and review around each change.