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

Every AI bot · Diffbot

diffbot

Diffbot's crawler that collects web pages to train AI models.

In robots.txt: User-agent: diffbot

The numbers

Named by2.4%of readable robots.txt files on the top 1M (14,575 of 600,979)
Of those, block it74.6%shut it out of the whole site (10,880 of 14,575)
Same sites, since CC-MAIN-2026-34+0.1 ptsshare of the same 394,690 sites that block it by name: 1.6% → 1.6%
Via Cloudflare's file2.4%of its blocks come from Cloudflare's ready-made robots.txt (256 of 10,880)
Block the whole site: 10,880Block some paths: 2,678Name it but allow it: 1,017
Every robots.txt file on the top 1M that names diffbot, 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. yahoo.com #59
  4. msn.com #69
  5. vimeo.com #88

Block some paths

  1. android.com #256
  2. indeed.com #371
  3. jotform.com #642
  4. jimdo.com #1,131
  5. deezer.com #1,828

Name it and allow it

  1. kaspersky.com #140
  2. grow.google #1,318
  3. businesswire.com #1,366
  4. mgid.com #2,112
  5. termly.io #4,239

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

What this means for you: blocking diffbot asks Diffbot not to collect your pages for AI training from now on. robots.txt only affects future visits, and it doesn't touch Diffbot's other bots. 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.