What powers osaka-seikei.jp?
Last seen Sep 2026 · 25 technologies across 10 categories
Advertising
Analytics
CDN
Editors
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Tag managers
Web servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
Policy unknown
Audience
- 83% phone
- 17% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.43 / 10 · ranked #168,372 of all domains
148 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 25.7 MB · 135 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on OPTAGE OPTAGE Inc. (121.83.222.99)
- DNS: Amazon Route 53
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: DigiCert, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 627,256, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| high.osaka-seikei.jp | 17 |
| high1.osaka-seikei.jp | 17 |
| univ.osaka-seikei.jp | 15 |
| tandai.osaka-seikei.jp | 8 |
| www.osaka-seikei.jp | 8 |
| osaka-seikei.jp | 7 |
| komichi.osaka-seikei.jp | 6 |
Full technology history →
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Recent changes
- detected Typekit Aug 2026
- detected Microsoft Clarity Nov 2025