Which websites block Amazonbot?

31 of 237 popular sites we measured block Amazonbot (13.1%), checked 2026-10-01.

Amazonbot is Amazon’s crawler for alexa and product training (Alexa). Blocking it opts a site out of training data; it does not stop the retrieval crawlers that fetch pages for cited answers. More about Amazonbot.

The robots.txt rule

To block it:

User-agent: Amazonbot
Disallow: /

To allow it explicitly:

User-agent: Amazonbot
Allow: /

A server or CDN can still refuse the crawler when robots.txt allows it. That is why the checker fetches as the crawler as well as reading the file.

Sites that block Amazonbot

Check your own site

The free checker runs the same probe on any URL: robots.txt resolved for every AI crawler, then a live fetch as each one, so a CDN or firewall block shows up even when robots.txt looks fine.

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Other crawlers

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• Sites that block Claude-User
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