What powers cstc.or.jp?
Last seen Jun 2026 · 5 technologies across 5 categories
Analytics
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
Operating systems
Ubuntu
since Dec 2025
Web servers
Audience
- 59% phone
- 41% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.25 / 10 · ranked #443,716 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 61 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
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Recent changes
- dropped PHP Jan 2026