What powers sysken.ne.jp?
Last seen Aug 2026 · 12 technologies across 9 categories
Analytics
CMS
Databases
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
WordPress plugins
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 Sep 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
3.16 / 10 · ranked #1,332,699 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 1.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.4 MB · 80 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 株式会社システム研究所
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on MITENE mitene internet co., ltd. (218.219.167.112)
- DNS: sysken-net.com
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 11,613,528, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sysken.ne.jp | 12 |
| skrc.sysken.ne.jp | 1 |
Full technology history →
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Recent changes
- detected Google Analytics Nov 2025