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"The Content-Signal Protocol: Separately Configuring search / ai-input / ai-train Permissions in robots.txt"

"robots.txt used to be a binary block-all / allow-all choice. The Content-Signal protocol proposed by the IETF in 2025 lets you configure three separate permissions — traditional search, real-time AI citation, and AI training — within a single file. This article explains the implementation details and vendor support."

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This article is part of GeoWeb Tech Blog's L3 series — in-depth technical detail, templates and interpretation, for VIP members only.

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