What powers kobijutsu-seto.jp?
Last seen Sep 2026 · 26 technologies across 16 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 25% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.18 / 10 · ranked #3,152,787 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 14.8 MB · 105 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.163.53)
- DNS: Sakura Internet
- Email: kobijutsu-seto.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,378,135
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025