What powers 
kcs-inc.jp?
Last seen Sep 2026 · 2 technologies across 2 categories
Authentication
Facebook Login
since Aug 2022
Web servers
Apache HTTP Server
since Aug 2022
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
3.50 / 10 · ranked #894,986 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 43 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on NSK NSK Co.,Ltd. (219.99.208.193)
- DNS: nsk.ne.jp
- Email: nsk.ne.jp
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 10,895,124, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kcs-inc.jp | 2 |
| www.kcs-inc.jp | 2 |