What powers challe-kuji.jp?
Last seen Aug 2026 · 10 technologies across 7 categories
Analytics
CDN
JavaScript libraries
PaaS
Payment processors
Tag managers
Web frameworks
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Blocked
The other 32 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Japan
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,820,847 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 7.7 MB · 53 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on BBTOWER BroadBand Tower, Inc. (211.14.31.21)
- DNS: Amazon Route 53
- Email: cybird.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: JPRS, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 14,067,771
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon Pay Apr 2026
- detected Google Tag Manager Apr 2026
- detected Microsoft Clarity Apr 2026