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Tracking ChatGPT · Perplexity · Claude · Google AI Overviews
  1. Rankwise
  2. /AI crawlers
  3. /DuckAssistBot
DuckDuckGo · User-triggered fetch

DuckAssistBot

Crawls pages in real time for DuckDuckGo's AI-assisted answers, which cite their sources. DuckDuckGo says the data is not used to train AI models.

Source: duckduckgo.com
Check your robots.txt for AI crawlers

Operator

DuckDuckGo

Job

User-triggered fetch

Visits a page because a person asked a question that needs it. This is the visit that can end in a citation.

robots.txt

Follows robots.txt

DuckDuckGo says that once robots.txt disallows DuckAssistBot, it stops crawling your site after 72 hours.

Source: duckduckgo.com
User agent

How it identifies itself

Copied from the vendor's documentation. Version numbers inside these strings change over time, so match on the token rather than the whole string.
DuckAssistBot/1.2; (+http://duckduckgo.com/duckassistbot.html)
Source: duckduckgo.com
robots.txt

Allow or block DuckAssistBot

Add one of these groups to the robots.txt at the root of your domain.

A crawler obeys only the most specific group that names it (RFC 9309), so a named group does not inherit the rules under User-agent: *. Repeat any paths you keep private, as the example does with /admin/.

Allow DuckAssistBot
User-agent: DuckAssistBot
Allow: /
Disallow: /admin/
Block DuckAssistBot
User-agent: DuckAssistBot
Disallow: /
What tryrankwise.com does

We name DuckAssistBot and let it in

Read from the robots.txt we serve. We want AI engines to read and cite this site, so every AI crawler is allowed everywhere except the app, the API and the sign-in pages (/dashboard/, /api/, /login, /signup, /sign-in, /sign-up). The file also declares Content-Signal: ai-train=yes, search=yes, ai-input=yes.

tryrankwise.com/robots.txt
User-agent: DuckAssistBot
Allow: /
Disallow: /dashboard/
Disallow: /api/
Disallow: /login
Disallow: /signup
Disallow: /sign-in
Disallow: /sign-up

See the whole file. The same rules repeat in every group, because a crawler that matches a named group ignores the wildcard one.

Worth knowing

More from DuckDuckGo

  • DuckDuckGo says opting out does not affect organic rankings or whether your site appears in its search results.

    Source: duckduckgo.com

Sources, checked 2026-09-24

  • duckduckgo.com/duckduckgo-help-pages/results/duckassistbot
Check your own file

See which AI crawlers your robots.txt lets in.

The free AI crawler checker reads your robots.txt and reports which of the major AI crawlers it allows or blocks. No signup.
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