What powers 
osgroup.co.jp?
Last seen Sep 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Jun 2025
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 55% phone
- 45% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.85 / 10 · ranked #694,032 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.0 MB · 111 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- OS
- Founded: 1946
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on HANSHIN ITEC HANKYU HANSHIN CO.,LTD. (203.133.239.237)
- Email: no MX record returned
- SSL: Cybertrust Japan, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,193,059
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted