Case Studies

Source: https://www.thegeohandbook.com/case-studies

Real-world experiments and implementations demonstrating how Generative Engine Optimization principles work in practice. Each case study documents a live experiment with AI systems and surfaces actionable insights for developers, marketers, and product teams.

Case Studies

• Can Claude Read Your Website? A Live Experiment in AI Legibility (2026-03-09) — A live case study in which Claude Opus 4.6 attempted to read three websites, revealing which design patterns make content visible to AI agents. Key finding: a plain-text sitemap (sitemap.txt) was the single most impactful artifact for AI agent discovery.
• Can ChatGPT Call Your API? A Live Experiment in Chat Mode vs. Agent Mode (2026-03-09) — A live experiment testing whether ChatGPT can programmatically interact with a website's API, comparing standard chat mode against agent mode. Key finding: the API is the most important artifact for agent-mode consumption.