What powers csj.or.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
CDN
Google Hosted Libraries
since Jul 2022
Font scripts
Font Awesome
since Jul 2021
Google Font API
since Jul 2021
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 69% desktop
- 31% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.55 / 10 · ranked #394,456 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 75 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| csj.or.jp | 6 |
| www.csj.or.jp | 6 |