What powers osj.or.jp?
Last seen Jun 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Feb 2022
CDN
Amazon CloudFront
since Apr 2026
cdnjs
since Feb 2022
Cloudflare
since May 2022
jsDelivr
since Apr 2026
Font scripts
Google Font API
since May 2024
Hosting
Xserver
since Aug 2022
JavaScript frameworks
GSAP
since Apr 2026
JavaScript graphics
JavaScript libraries
Highlight.js
since Apr 2026
Slick
since Feb 2022
Miscellaneous
Open Graph
since May 2024
PaaS
Amazon Web Services
since Apr 2026
Security
HSTS
since Apr 2026
Tag managers
Google Tag Manager
since Feb 2022
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Feb 2022
Widgets
Embedly
since Apr 2026
Audience
- 51% desktop
- 49% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.15 / 10 · ranked #1,345,307 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 9.2 MB · 105 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| training.osj.or.jp | 15 |
| osj.or.jp | 8 |
| www.osj.or.jp | 8 |