Recently, Google's search team once again made statements about the LLMs.txt file, clarifying questions regarding its use and official stance. On the social platform Bluesky, a user asked whether the inclusion of the LLMs.txt file in Google's developer documents implied Google's endorsement. In response, John Mueller from Google's search team gave a clear reply: this was not an official endorsement.

The incident began a few weeks ago when Google's content management system (CMS) started supporting the LLMs.txt file and added it to multiple developer documentation pages. However, after seeing this change, the Google search team quickly removed it, leaving only parts that other teams may have overlooked. The addition of this file was not due to Google's special advocacy, but for other reasons.

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Mueller stated on Bluesky that Google does not use this LLMs.txt file and even considers it potentially useless, advising developers to set it to be unindexed if they use it. The Google team has always maintained that the LLMs.txt file is not widely used and may have little practical value for developers.

Nevertheless, Mueller pointed out that keeping the file might not cause significant negative effects, and developers should still approach the issue with caution. Google's statement once again emphasized their attitude towards the LLMs.txt file, demonstrating the search team's clear stance on tools and technology choices.

It is evident that Google's exploration in artificial intelligence and large language models (LLMs) continues, but their choice of tools appears particularly cautious. Developers should pay more attention to official guidance and recommendations when using new technologies, especially in content management and search optimization areas.