What powers jcba-net.jp?
Last seen Aug 2026 · 3 technologies across 2 categories
JavaScript libraries
Web servers
Apache HTTP Server
since Apr 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 72% desktop
- 28% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.70 / 10 · ranked #315,407 of all domains
74 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.8 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AICS Otsuka Corp. (157.205.221.146)
- DNS: alpha-prm.jp
- Email: no MX record returned
- Common Crawl link graph: rank 1,193,855, 2 hosts
DNS records as swept Sep 2026. How the web is hosted