What powers 
lumine.co.jp?
Last seen Oct 2026 · 6 technologies across 6 categories
Analytics
Google Analytics
since Jul 2019
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since May 2024
Tag managers
Google Tag Manager
since Jul 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 52% desktop
- 48% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.05 / 10 · ranked #536,533 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 32 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Lumine
- Founded: 1966
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on JEIS-NET JR East Information Systems Company (157.74.72.194)
- DNS: jregroup.ne.jp
- Email: Cisco Secure Email
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 2,759,777, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Hosted Libraries Aug 2026