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Notra classifies every captured request at ingest and stores requests that match one of the signatures below as AI crawler events. Human page views, prefetches, non-page requests and ordinary bots are not stored. See Traffic overview.

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Purposes

AI referrals, which are people clicking through from an answer, are a separate visitor type that Notra recognizes by referrer host. See Referrals and conversions.

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Confidence

Anyone can spoof a user agent, and Notra doesn’t verify IPs at ingest, so the links below point to the operator’s own verification method.

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Directory

Notra recognizes coding agents and HTTP clients that don’t send a distinctive user agent, for example curl or python-requests, from request fingerprints where possible.
Notra generates this list from the tracker’s signature table, so if an agent is missing, tell us in Discord.
Last modified on November 11, 2026