Measured on 2026-09-19 by asking the site six times — once as a browser, once as each of the five crawlers that feed ChatGPT, Claude, Perplexity and Gemini — and comparing what came back.
| Crawler | HTTP | Result | robots.txt |
|---|---|---|---|
| ClaudeBot (Claude) | 200 | can read it | no-file |
| GPTBot (ChatGPT) | 200 | can read it | no-file |
| OAI-SearchBot (ChatGPT Search) | 200 | can read it | no-file |
| PerplexityBot (Perplexity) | 200 | can read it | no-file |
| Google-Extended (Gemini, AI Overviews) | 200 | can read it | no-file |
| meta-externalagent | 200 | can read it | no-file |
| amazonbot | 200 | can read it | no-file |
Put the badge on jmosl.com — it links back here, and re-measures every time this index re-crawls.
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