Fresh coffee for your AI knowledge
How LLMs really read your website – and what can go wrong
ChatGPT, Gemini, Perplexity and Claude have become gatekeepers of the web. We explain the 10 key factors for true AI readability – with concrete tips for each.
Read the full article →More insights? Visit the blog
Our Coffee Bot just analyzed a sample site:
“One of the nicer sites I've tasted today.”
— The Bot
Why Machine Readability Matters
Always Evolving
Our analysis rules are updated weekly to reflect the latest language model perception.
How automatic rule updates work →llms.txt & robots.txt
We check whether your website is correctly configured for the most important AI crawlers — ClaudeBot, GPTBot, Google-Extended. Explicit rules instead of guesswork.
Structured Data
Schema.org markup, semantic HTML and image alt texts determine whether an LLM understands your content — or just sees noise.
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RobotCheck.coffee is a tool made independently by a coffee-fueled developer. Your contributions keep our serving smiling and our analysis fresh.