What powers 
seikei-kai.or.jp?
Last seen Sep 2026 · 26 technologies across 16 categories
Analytics
CDN
CMS
Databases
Editors
Font scripts
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
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
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #801,192 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 70 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sousen Hospital
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (119.245.215.172)
- DNS: sphere.ad.jp
- Email: seikei-kai.or.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 12,869,505, 6 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sousen.seikei-kai.or.jp | 19 |
| www.ccmc.seikei-kai.or.jp | 11 |
| www.seikei-kai.or.jp | 5 |
| www.sousen.seikei-kai.or.jp | 3 |
Full technology history →
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Recent changes
- detected Google Maps Jul 2026
- detected Twitter Emoji (Twemoji) Dec 2025