What powers oshu.co.jp?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
JavaScript graphics
Chart.js
since Apr 2024
JavaScript libraries
Miscellaneous
Popper
since Apr 2024
Programming languages
Java
since Apr 2024
Security
HSTS
since Apr 2024
UI frameworks
MDBootstrap
since Apr 2024
Web server extensions
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
Audience
- 75% phone
- 25% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.10 / 10 · ranked #3,342,722 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 14 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www2.oshu.co.jp | 11 |
| web.oshu.co.jp | 2 |
| webmail.oshu.co.jp | 2 |