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Three robots.txt Extensions, None of Them a Standard

October 7, 2026 by rakibuzzaman
A robots.txt file with three competing directive syntaxes layered over one another, none marked as final

Content-Signal, Content-Usage and License are three incompatible robots.txt directives for AI preferences. No RFC exists. What to put in the file today.

Categories AI Tags ai crawlers, ietf, robots.txt Leave a comment

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