AI Crawler Index · ByteDance · Bytespider
Which .cz (Czechia) websites block Bytespider?
As of 2026-10-03, 3 of the 31 .cz (Czechia) websites whose robots.txt we could read (9.7%) block Bytespider, ByteDance's AI training crawler, on the home page, compared with 12.3% of all sites.
9.7%
of 31 .cz (Czechia) websites block Bytespider
12.3%
of all sites
3
sites block it
All 3 .cz (Czechia) websites that block Bytespider
| # | Site | Policy | Crawlers blocked |
|---|---|---|---|
| 1503 | idnes.cz | Blocks some AI search | 7 of 29 |
| 4037 | blesk.cz | Blocks training only | 1 of 29 |
| 4924 | livesport.cz | Blocks some AI search | 6 of 29 |
Popular .cz (Czechia) websites that allow Bytespider
Other AI crawlers and .cz (Czechia) websites
Bytespider in other segments
- news websites 33.2%
- .it (Italy) websites 30.9%
- .au (Australia) websites 29.7%
- .fr (France) websites 27.1%
- social websites 26.9%
- .nl (Netherlands) websites 22.9%
- reference websites 22.2%
- .de (Germany) websites 22.2%
- .es (Spain) websites 19.4%
- .app websites 16.7%
- .ch (Switzerland) websites 16.7%
- .pl (Poland) websites 15.1%
- .com websites 13.9%
- .uk (United Kingdom) websites 13.3%
FAQ
- Which .cz (Czechia) websites block Bytespider?
- idnes.cz, blesk.cz, livesport.cz.
- How many .cz (Czechia) websites block Bytespider?
- As of 2026-10-03, 3 of the 31 .cz (Czechia) websites whose robots.txt we could read (9.7%) block Bytespider, ByteDance's AI training crawler, on the home page, compared with 12.3% of all sites.
- How do I block or allow Bytespider on my site?
- Add "User-agent: Bytespider" followed by "Disallow: /" to https://<your-site>/robots.txt to block it, or "Allow: /" to allow it. Check the result with the free AI crawler checker at tools.yukai.uk/free/ai-crawler-checker.