What powers kanrin.school?
Last seen Jun 2026 · 11 technologies across 9 categories
Analytics
Cloudflare Browser Insights
since Jan 2022
Google Analytics
since Jan 2022
CDN
Cloudflare
since Jan 2022
Font scripts
Google Font API
since Jan 2022
JavaScript frameworks
JavaScript libraries
Quicklink
since Jan 2022
Live chat
WhatsApp Business Chat
since Feb 2022
Miscellaneous
HTTP/3
since Sep 2022
Performance
Cloudflare Rocket Loader
since Oct 2022
Video players
YouTube
since Jan 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.93 / 10 · ranked #13,990,719 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.5 MB · 24 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cn.kanrin.school | 9 |
| jp.kanrin.school | 9 |
| kanrin.school | 9 |
| www.kanrin.school | 9 |
| ru.kanrin.school | 8 |