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

Every AI bot · ByteDance

Bytespider

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

In robots.txt: User-agent: Bytespider

The numbers

Named by14.0%of readable robots.txt files on the top 1M (84,014 of 600,979)
Of those, block it62.0%shut it out of the whole site (52,089 of 84,014)
Same sites, since CC-MAIN-2026-34−0.5 ptsshare of the same 394,690 sites that block it by name: 9.5% → 9.0%
Via Cloudflare's file51.8%of its blocks come from Cloudflare's ready-made robots.txt (26,979 of 52,089)Cloudflare stopped adding that file on 16 September 2026, so this month mixes before and after. What happened
Block the whole site: 52,089Block some paths: 5,263Name it but allow it: 26,662
Every robots.txt file on the top 1M that names Bytespider, 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 some paths

  1. ubuntu.com #233
  2. dell.com #302
  3. tradingview.com #364
  4. indeed.com #371
  5. sohu.com #478

Name it and allow it

  1. wordpress.org #48
  2. adjust.com #812
  3. psu.edu #1,285
  4. nustargame.com #1,628
  5. arionplay.com #1,670

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

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