Top-level domain
.jp
34 measured sites. 4 of them, 11.8%, block at least one answer-surface AI crawler. Mean readiness score 63.
Compare against every other top-level domain
| Rank | Domain | Score | Answer-surface crawlers | Stack |
|---|---|---|---|---|
| 804 | ameblo.jp | Score 67 out of 100, grade C | all allowed | Next.js |
| 1128 | xserver.jp | Score 70 out of 100, grade C | all allowed | unidentified |
| 1154 | hotpepper.jp | Score 55 out of 100, grade D | all allowed | unidentified |
| 1323 | suumo.jp | Score 58 out of 100, grade D | all allowed | WordPress |
| 1350 | weathernews.jp | Score 65 out of 100, grade C | all allowed | Amazon CloudFront |
| 1371 | tenki.jp | Score 80 out of 100, grade B | all allowed | Amazon CloudFront |
| 1391 | mbga.jp | Score 55 out of 100, grade D | all allowed | unidentified |
| 1400 | zozo.jp | Score 78 out of 100, grade B, partial assessment | all allowed | Akamai |
| 1435 | gamewith.jp | Score 68 out of 100, grade C | all allowed | Amazon CloudFront |
| 1544 | kakuyomu.jp | Score 61 out of 100, grade C | all allowed | Next.js . Amazon CloudFront |
| 1561 | trilltrill.jp | Score 61 out of 100, grade C | all allowed | Amazon CloudFront |
| 1585 | mamastar.jp | Score 86 out of 100, grade B, partial assessment | 1 blocked | Amazon CloudFront |
| 1624 | mechacomic.jp | Score 67 out of 100, grade C | all allowed | unidentified |
| 1665 | dto.jprefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Amazon CloudFront |
| 1666 | ecnavi.jp | Score 67 out of 100, grade C | all allowed | Next.js . Amazon CloudFront |
| 1668 | jra.jp | Score 58 out of 100, grade D | all allowed | unidentified |
| 1670 | keirin.jp | Score 6 out of 100, grade F, partial assessment | 11 blocked | unidentified |
| 1716 | site777.jprefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | unidentified |
| 1760 | rsch.jprefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | unidentified |
| 1762 | ad-contents.jp | Score 55 out of 100, grade D | all allowed | unidentified |
| 2047 | sakura.ne.jp | Score 64 out of 100, grade C | all allowed | unidentified |
| 2369 | hatena.ne.jp | Score 57 out of 100, grade D | all allowed | Next.js |
| 2632 | auone.jp | Score 54 out of 100, grade D | all allowed | Next.js . Google Cloud / GFE |
| 2786 | granbluefantasy.jp | Score 60 out of 100, grade C | all allowed | SvelteKit . Amazon CloudFront |
| 2838 | suruga-ya.jprefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | Cloudflare |
| 2884 | cpi.ad.jp | Score 64 out of 100, grade C | all allowed | WordPress |
| 3386 | adingo.jp | Score 61 out of 100, grade C | all allowed | Astro . Cloudflare |
| 3435 | nicovideo.jp | Score 56 out of 100, grade D | 1 blocked | Amazon CloudFront |
| 3642 | prtimes.jp | Score 70 out of 100, grade C | all allowed | Fastly |
| 4036 | livedoor.jprefused GPTBot | Score 78 out of 100, grade B, partial assessment | all allowed | unidentified |
| 4215 | mainichi.jprefused GPTBot | Score 21 out of 100, grade F, partial assessment | 10 blocked | Amazon CloudFront |
| 4279 | mynavi.jp | Score 57 out of 100, grade D | all allowed | WordPress . Amazon CloudFront |
| 4541 | biglobe.ne.jp | Score 78 out of 100, grade B, partial assessment | all allowed | unidentified |
| 4905 | softbank.jp | Score 54 out of 100, grade D | all allowed | Sitecore . Azure Front Door |
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. "Agent readiness on .jp." https://crawlindex.org (measured 2026-09-22). Licensed CC BY 4.0.