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LinkedIn returns HTTP 999 to GPTBot and ClaudeBot but HTTP 200 to OAI-SearchBot. I measured what is inside the 200.

This story is from 2026-09-01. It is preserved in the archive; the latest stories are on the live feed.

No links in this post. Everything below is reproducible with one curl per line. I fetched the same LinkedIn profile URL six times, changing only the User-Agent. GPTBot -> HTTP 999 ClaudeBot -> HTTP 999 ChatGPT-User -> HTTP 999 Googlebot -> HTTP 999 OAI-SearchBot -> HTTP 200 Claude-SearchBot -> HTTP…

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  1. 2026-09-01 01:47 · r/artificial
    LinkedIn returns HTTP 999 to GPTBot and ClaudeBot but HTTP 200 to OAI-SearchBot. I measured what is inside the 200.

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