What powers nipponjuken.co.jp?
Last seen Aug 2026 · 28 technologies across 15 categories
Advertising
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JavaScript frameworks
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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
- 53% phone
- 47% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,560,119 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 2400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 10.8 MB · 223 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 日本住建株式会社
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ATWORKS A.T.WORKS, Inc. (182.16.226.190)
- DNS: atw.jp
- Email: nipponjuken.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 15,589,683, 2 hosts
- Verified with: Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted