ByteDance . tier 2
Bytespider
Collects training data for ByteDance models.
460 of the 3,618 sites we measured deny Bytespider access to their root, which is 12.7% of the index.
How to allow or block it
A group naming the token wins outright over the wildcard group. It does not inherit from it, so rules set under User-agent: * do not carry over.
# Allow Bytespider everywhere
User-agent: Bytespider
Disallow:
# Block Bytespider entirely
User-agent: Bytespider
Disallow: /Sites blocking Bytespider
Most-visited first. Showing up to 100 of 460.
| Rank | Domain | Score | Answer-surface crawlers | Stack |
|---|---|---|---|---|
| 3 | facebook.com | Score 35 out of 100, grade F, partial assessment | 6 blocked | unidentified |
| 11 | instagram.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 12 | mail.ru | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 15 | twitter.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 17 | linkedin.com | Score 17 out of 100, grade F, partial assessment | 9 blocked | unidentified |
| 25 | amazon.com | Score 16 out of 100, grade F, partial assessment | 10 blocked | Akamai |
| 29 | github.com | Score 68 out of 100, grade C | all allowed | Contentful |
| 41 | netflix.com | Score 59 out of 100, grade D, partial assessment | 3 blocked | unidentified |
| 49 | x.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 54 | tiktok.com | Score 15 out of 100, grade F | 11 blocked | unidentified |
| 56 | pinterest.com | Score 17 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 59 | yahoo.comrefused GPTBot | Score 47 out of 100, grade D | 5 blocked | Next.js |
| 71 | myfritz.net | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 76 | chatgpt.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 87 | baidu.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 88 | vimeo.com | Score 56 out of 100, grade D | 3 blocked | Next.js . Cloudflare |
| 109 | reddit.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 122 | amazonvideo.com | Score 37 out of 100, grade F | 5 blocked | Amazon CloudFront |
| 129 | snapchat.com | Score 46 out of 100, grade D | 5 blocked | Next.js . Google Cloud / GFE |
| 134 | unity3d.com | Score 79 out of 100, grade B | all allowed | Sanity |
| 158 | gravatar.com | Score 56 out of 100, grade D | 2 blocked | WordPress |
| 159 | nytimes.comrefused GPTBot | Score 21 out of 100, grade F, partial assessment | 11 blocked | Fastly |
| 189 | soundcloud.com | Score 42 out of 100, grade D, partial assessment | 8 blocked | Amazon CloudFront |
| 190 | flickr.com | Score 42 out of 100, grade D, partial assessment | 6 blocked | unidentified |
| 202 | medium.comrefused GPTBot | Score 46 out of 100, grade D | 4 blocked | Cloudflare |
| 204 | cnn.com | Score 31 out of 100, grade F | 10 blocked | Fastly |
| 205 | theguardian.com | Score 46 out of 100, grade D | 6 blocked | unidentified |
| 206 | ebay.com | Score 60 out of 100, grade C, partial assessment | 5 blocked | Akamai |
| 210 | t-online.de | Score 55 out of 100, grade D | 5 blocked | Next.js . Amazon CloudFront |
| 218 | bbc.com | Score 34 out of 100, grade F | 9 blocked | Next.js . Fastly |
| 219 | forbes.com | Score 57 out of 100, grade D, partial assessment | 5 blocked | Next.js . Fastly |
| 236 | bbc.co.uk | Score 37 out of 100, grade F | 9 blocked | Fastly |
| 246 | canva.comrefused GPTBot | Score 66 out of 100, grade C, partial assessment | 4 blocked | Cloudflare |
| 249 | meraki.com | Score 8 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 268 | imdb.com | Score 9 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 271 | forter.com | Score 87 out of 100, grade B | 1 blocked | HubSpot CMS . Cloudflare |
| 272 | linktr.ee | Score 81 out of 100, grade B, partial assessment | 1 blocked | unidentified |
| 277 | launchpad.netrefused GPTBot | Score 20 out of 100, grade F | 9 blocked | unidentified |
| 287 | reuters.com | Score 26 out of 100, grade F, partial assessment | 9 blocked | unidentified |
| 304 | nature.com | Score 45 out of 100, grade D, partial assessment | 7 blocked | Fastly |
| 307 | weibo.com | Score 18 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 315 | weather.com | Score 82 out of 100, grade B | all allowed | WordPress . Akamai |
| 321 | ea.com | Score 57 out of 100, grade D | 1 blocked | Next.js |
| 334 | hostinger.com | Score 89 out of 100, grade B | all allowed | Nuxt . Cloudflare |
| 335 | amazon.co.uk | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 350 | trustpilot.com | Score 59 out of 100, grade D, partial assessment | 3 blocked | unidentified |
| 353 | naver.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 379 | bloomberg.comrefused GPTBot | Score 27 out of 100, grade F, partial assessment | 10 blocked | Fastly |
| 380 | wsj.com | Score 31 out of 100, grade F, partial assessment | 8 blocked | unidentified |
| 391 | amazon.de | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 402 | espn.com | Score 72 out of 100, grade C, partial assessment | 3 blocked | Amazon CloudFront |
| 411 | nflxvideo.net | Score 59 out of 100, grade D, partial assessment | 3 blocked | unidentified |
| 459 | gcdn.co | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 460 | businessinsider.com | Score 65 out of 100, grade C | 1 blocked | WordPress . Fastly |
| 462 | edgecdn.ru | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 464 | pixabay.comrefused GPTBot | Score 67 out of 100, grade C, partial assessment | 4 blocked | Cloudflare |
| 467 | aol.com | Score 44 out of 100, grade D | 5 blocked | Next.js . Amazon CloudFront |
| 483 | amazon.co.za | Score 16 out of 100, grade F, partial assessment | 10 blocked | Akamai |
| 485 | cnbc.comrefused GPTBot | Score 30 out of 100, grade F | 9 blocked | Akamai |
| 487 | statista.comrefused GPTBot | Score 43 out of 100, grade D | 7 blocked | Amazon CloudFront |
| 488 | skybridge.click | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 495 | amazon.co.jp | Score 16 out of 100, grade F, partial assessment | 10 blocked | Akamai |
| 499 | quora.com | Score 13 out of 100, grade F, partial assessment | 10 blocked | unidentified |
| 514 | behance.net | Score 60 out of 100, grade C, partial assessment | 5 blocked | Fastly |
| 536 | ft.comrefused GPTBot | Score 53 out of 100, grade D, partial assessment | 6 blocked | Cloudflare |
| 550 | netflix.net | Score 59 out of 100, grade D, partial assessment | 3 blocked | unidentified |
| 554 | wired.com | Score 51 out of 100, grade D | 8 blocked | Cloudflare |
| 561 | uol.com.br | Score 47 out of 100, grade D | 8 blocked | Amazon CloudFront |
| 586 | usatoday.com | Score 24 out of 100, grade F | 11 blocked | unidentified |
| 589 | tripadvisor.comrefused GPTBot | Score 63 out of 100, grade C, partial assessment | 4 blocked | Amazon CloudFront |
| 600 | imgsmail.ru | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 617 | threads.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 621 | telegraph.co.uk | Score 37 out of 100, grade F | 10 blocked | Adobe Experience Manager . Fastly |
| 623 | nintendo.com | Score 58 out of 100, grade D | 5 blocked | Next.js . Fastly |
| 626 | amazon.fr | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 633 | unesco.org | Score 68 out of 100, grade C | 4 blocked | Drupal |
| 637 | sharethrough.com | Score 14 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 647 | amazon.ca | Score 22 out of 100, grade F | 10 blocked | Amazon CloudFront |
| 656 | techcrunch.com | Score 61 out of 100, grade C | 5 blocked | WordPress |
| 660 | sagepub.com | Score 65 out of 100, grade C | 1 blocked | Cloudflare |
| 664 | yelp.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 668 | hstgr.net | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 672 | elpais.com | Score 54 out of 100, grade D | 5 blocked | unidentified |
| 673 | primevideo.com | Score 37 out of 100, grade F | 5 blocked | Amazon CloudFront |
| 687 | hihonorcloud.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 690 | amazon.in | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 692 | dailymail.co.ukrefused GPTBot | Score 26 out of 100, grade F | 11 blocked | Akamai |
| 698 | vkontakte.ru | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 707 | lemonde.fr | Score 49 out of 100, grade D | 5 blocked | Fastly |
| 708 | dailymail.comrefused GPTBot | Score 26 out of 100, grade F | 11 blocked | Akamai |
| 717 | fb.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 720 | amazon.es | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 721 | pinimg.com | Score 17 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 725 | amazon.it | Score 16 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 730 | quantserve.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 732 | cnet.com | Score 44 out of 100, grade D | 10 blocked | WordPress |
| 737 | globalsign.com | Score 56 out of 100, grade D | 5 blocked | Cloudflare |
| 741 | creativecdn.com | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 743 | bandcamp.com | Score 46 out of 100, grade D | 4 blocked | Fastly |
| 766 | bild.de | Score 62 out of 100, grade C | 3 blocked | unidentified |
Using these figures
Free to reuse in research, journalism or a product under CC BY 4.0, with credit to Fidget Labs BV. Quote the measurement date so the claim stays checkable as the index moves.
CrawlIndex by Fidget Labs BV. "Sites blocking Bytespider." https://crawlindex.org (measured 2026-09-22). Licensed CC BY 4.0.