BotForYou Updated 9 October 2026 · Common Crawl CC-MAIN-2026-39

Every AI bot · DuckDuckGo

duckassistbot

DuckDuckGo's agent that fetches a page when someone asks its AI assistant about it.

In robots.txt: User-agent: duckassistbot

The numbers

Named by1.4%of readable robots.txt files on the top 1M (8,117 of 600,979)
Of those, block it49.3%shut it out of the whole site (4,005 of 8,117)
Same sites, since CC-MAIN-2026-34+0.0 ptsshare of the same 394,690 sites that block it by name: 0.5% → 0.5%
Via Cloudflare's file2.0%of its blocks come from Cloudflare's ready-made robots.txt (80 of 4,005)
Block the whole site: 4,005Block some paths: 2,603Name it but allow it: 1,509
Every robots.txt file on the top 1M that names duckassistbot, by what the rules that apply to it say.

Who does what

The highest-ranked sites on the top million in each group. Click one to see its whole robots.txt verdict.

Block it

  1. linkedin.com #17
  2. amazon.com #24
  3. tiktok.com #54
  4. msn.com #69
  5. amazonvideo.com #123

Block some paths

  1. pinterest.com #56
  2. snapchat.com #130
  3. imdb.com #265
  4. linktr.ee #272
  5. hostinger.com #333

Name it and allow it

  1. kaspersky.com #140
  2. adjust.com #812
  3. theatlantic.com #1,033
  4. mindbox.ru #1,932
  5. vietnam.vn #2,031

Lists skip sites we don't showcase (adult content).

What this means for you: blocking duckassistbot asks DuckDuckGo's assistant not to fetch your pages when someone asks about them. Decide each bot on what it's for, not who runs it.

Counts use one robots.txt per site on this month's Tranco top 1M (600,979 files we could read). Bot list: registry 2026-07-14.1, kept in sync with Dark Visitors and ai.robots.txt.