I'm Charlie. I've been building websites and helping build brands online for over 20 years in New Zealand, Australia, the U.S. and China. Now I'm back in Auckland, NZ.https://charlescoxhead.com/https://charlescoxhead.com/side-project-timequest-fun/https://charlescoxhead.com/side-project-timequest-fun/A daily history quiz where every answer is a date. Five questions a day, one try, and you answer by dropping a flag on a timeline.Thu, 05 Nov 2026 00:00:00 GMTaiprojectshttps://charlescoxhead.com/experiments-in-local-lead-gen/https://charlescoxhead.com/experiments-in-local-lead-gen/After years of enterprise and cross-border work, I'm testing performance-based lead generation for local businesses, starting with Emergency Glass Repair.Sat, 26 Sep 2026 00:00:00 GMTweb-devprojectshttps://charlescoxhead.com/how-to-calculate-seo-roi/https://charlescoxhead.com/how-to-calculate-seo-roi/A practical guide for marketing managers who need to evaluate, justify, and track SEO investment.Wed, 22 Apr 2026 00:00:00 GMTseohttps://charlescoxhead.com/in-the-future-everyone-will-be-a-web-developer-for-15mins/https://charlescoxhead.com/in-the-future-everyone-will-be-a-web-developer-for-15mins/I built a calculator website end to end with AI over a weekend, mixing vibe coding with programmatic SEO, and asked what's actually worth building now.Wed, 22 Apr 2026 00:00:00 GMTaiprojectsweb-devhttps://charlescoxhead.com/querylens-page-topic-relevancy-scoring/https://charlescoxhead.com/querylens-page-topic-relevancy-scoring/QueryLens is a Chrome extension I made to analyze topical relevance of pages to the target keywords.Tue, 24 Mar 2026 00:00:00 GMTseo