What powers keiyou.jp?
Last seen Sep 2026 · 7 technologies across 6 categories
JavaScript libraries
Operating systems
Windows Server
since Jul 2020
PaaS
Netlify
since Dec 2022
Security
HSTS
since Dec 2022
Web frameworks
Web servers
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
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.78 / 10 · ranked #726,315 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Netlify
- Weight: 0.4 MB · 25 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (75.2.60.5)
- DNS: secure.ne.jp
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 8,614,212, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| lib.keiyou.jp | 5 |
| www.keiyou.jp | 3 |