What powers 
skattsei.co.jp?
Last seen Oct 2026 · 8 technologies across 7 categories
Analytics
CDN
JavaScript libraries
Programming languages
Tag managers
Web frameworks
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 66% desktop
- 34% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.99 / 10 · ranked #247,288 of all domains
78 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 11.6 MB · 59 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- The NUMLGRA
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on CPI-NET - KDDI Web Communications Inc. (150.60.218.39)
- DNS: cpi.ad.jp
- Email: secure.ne.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: JPRS, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,197,148, 5 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
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Recent changes
- detected Google Analytics Sep 2026
- dropped Google Analytics Jul 2026