TECHNICAL SEO & AI VISIBILITY
Advanced SEO Audits, Case Studies, Resources
20 years of enterprise SEO experience. Comprehensive technical audits using a 550+ point methodology. Curated case studies and practical resources for traditional search and AI visibility.
Most Top Sites Never Say Who They Are in Structured Data109 of 180 top homepages publish no structured data at all14 Oct 2026Homepage Titles Are Mostly Too Short, Not Too Long81 of 173 homepage titles use less than half the width8 Oct 2026Who Actually Serves an llms.txt? 184 Top Sites Measured31 of 184 top sites serve an llms.txt, almost all of them developer tools29 Sep 2026Measured first hand on a fixed sample of the web’s most visited sites.
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450+ Studies & Research
A curated database of SEO case studies, experiments, and research from across the industry. Every entry links to the original source. Filter by category: Growth, Migrations, Technical SEO, GEO, and more.
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Browser-based tools for schema, metadata, GEO checks and technical audits. Nothing to install, no signup.
17 repos: crawlers, structured-data validators, AI-crawler audits, Core Web Vitals field vs lab. Free and open source.
The extensions I keep installed for day-to-day technical SEO work, with what each one is actually good for.