Google’s John Mueller and Martin Splitt clarify that the LLMs.txt standard is not designed for site discovery, emphasizing that search engine visibility remains fundamentally tied to traditional HTML content.

Key Points

• Google’s John Mueller confirmed that LLMs.txt was never intended to help search engines or AI systems discover new websites.
• Discovery remains a critical, separate stage of search engine architecture that relies on crawling and indexing standard HTML pages.
• Mueller noted that LLMs.txt files are inherently untrustworthy because they allow site owners to self-promote content rather than providing objective data.
• Emerging standards like Web Model Context Protocol (WebMCP) are better suited for helping AI agents perform specific tasks, such as navigating e-commerce checkout processes.
• No single standard for AI-website interaction has been finalized, and the industry is expected to evolve over the next year.

Why it Matters

Many website owners are currently wasting resources implementing LLMs.txt under the mistaken belief that it improves their search rankings or AI visibility. Understanding that discovery is still driven by HTML ensures businesses focus on effective SEO strategies rather than ineffective technical workarounds.