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llms.txt: what the logs actually show
Understanding LLMs examines empirical data from Ahrefs' analysis of 137,000 domains showing that 97% of published llms.txt files receive zero requests from AI systems. The analysis reveals that despite widespread adoption and marketing claims, major AI search engines like ChatGPT and Perplexity rarely access these files, making the effort better spent on content structure optimization.
Built for AI agentsACO · 2674 tokens
Summary
Understanding LLMs examines empirical data from Ahrefs' analysis of 137,000 domains showing that 97% of published llms.txt files receive zero requests from AI systems. The analysis reveals that despite widespread adoption and marketing claims, major AI search engines like ChatGPT and Perplexity rarely access these files, making the effort better spent on content structure optimization.
Tags
llms.txt · ai-discovery · log-analysis · seo · content-strategy · ai-bots · web-optimization
Key entities
Kyle Hudson (person, 0.95) · Jeremy Howard (person, 0.9) · Ahrefs (organization, 0.95) · Answer.AI (organization, 0.9) · llms.txt (technology, 0.98) · ChatGPT search (technology, 0.92) · Perplexity (technology, 0.92) · Slackbot (technology, 0.85) · AI-discovery (concept, 0.88) · July 13, 2026 (event, 0.85)
Classification
analysis · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 17 Jul 2026