Amzn-User
Amzn-User is blocked by 76 sites in the October 2026 survey, or 1.2% of readable files. The community reference lists its operator as Amazon, used for fetching web content to answer user queries through Alexa and other Amazon AI services.
Who runs Amzn-User?
| Fact | Amzn-User reference entry |
|---|---|
| Operator | “Amazon, used for fetching web content to answer user queries through Alexa and other Amazon AI services” |
| Purpose | “AI Assistants” |
| Does Amzn-User obey robots.txt? | “Unclear at this time.” |
| Frequency | “Unclear at this time.” |
| Cloudflare managed list for Amzn-User | No |
These facts quote the stored community ai.robots.txt reference.
“Amzn-User is an AI assistant operated by Amazon, used for fetching web content to answer user queries through Alexa and other Amazon AI services.”
The stated role here is an AI assistant. Keeping a site available to readers may include allowing search and requested fetches. An owner may still keep the text out of training collections.
How many sites block it?
The name occurs in 94 out of 6,171 readable files, a 1.5% share. Across the full sample, the whole-site Disallow: / block count is 76, or 1.2%. Files without that ban number 6,095.
For the top 1,000 ranks, its name appears in 15 files out of 552, or 2.7%. Whole-site blocks total 11. Blocking is more common among the leading sites, at 2.0%. Lower in the ranking, blocking reaches 65 files out of 5,619, a 1.2% share.
| Readable files | Named by | Named share | Blocked by | Blocked share |
|---|---|---|---|---|
| Amzn-User, all ranks | 94 | 1.5% | 76 | 1.2% |
| Amzn-User, top 1,000 | 15 | 2.7% | 11 | 2.0% |
| Amzn-User, remaining ranks | 79 | 1.4% | 65 | 1.2% |
For this entry, we counted whole-site bans attached to its own name, leaving general rules for all crawlers out of the total. The naming total includes 76 files with a ban on every path and 18 files without that ban. Elsewhere, 6,077 files do not name it. We ignore capitalization and repeated names.
How to block or allow it
Add these lines to robots.txt at your site root. For Amzn-User, the robots.txt standard gives a named group priority over User-agent: *.
Block the whole site
User-agent: Amzn-User
Disallow: /Allow access
User-agent: Amzn-User
Allow: /It's the 64th most-named crawler of the 171 we counted in the crawler index.
Which other crawlers does this operator run?
How we counted
For Amzn-User, we surveyed Tranco’s top 10,000 sites on 19 October 2026. Files had an 8-second timeout and a 262,144-byte limit. Shares exclude unreachable, unavailable and oversized files. Later readings are included in results from scripts/robots_2026_08_06.py (robots.py at app commit 07104ff). See the full survey method.
Common questions
What does naming this crawler tell me?
We found 18 files without a whole-site ban among 94 that name it.
Are leading sites different?
At the top of the ranking, 2.7% of readable files name it and 2.0% block it. Across all ranks, those shares are 1.5% and 1.2%.
How does the nearby crawler compare?
WARDBot is named by 92 files and blocked by 92, or 1.5%. For this crawler, 94 files name it and 76 block it, a 1.2% share.