llms.txt Lacks Adoption and Evidence of Impact on AI Citations
August 18, 2026
A proposed llms.txt standard shows only 10.13% adoption across 300,000 domains and minimal impact on citations. Major bots like GPTBot and ClaudeBot primarily crawl HTML, suggesting the file is not currently a reliable signal for agentic routing.
HOW THIS AFFECTS YOU
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builderDo not base your SEO or agent-discovery strategy solely on this file, though implementing it remains a low-cost precaution.