What powers chuokai-oita.or.jp?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
CDN
CMS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Security
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.66 / 10 · ranked #784,371 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese (Japan)
- CDN: Cloudflare
- Weight: 0.6 MB · 21 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (162.159.128.70)
- Email: Jimdo
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 11,362,418
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Nginx May 2026
- detected Cloudflare Apr 2026
- detected Cloudflare Bot Management Apr 2026
- dropped core-js Apr 2026
- detected HTTP/3 Apr 2026
- detected Sendgrid Nov 2025