What powers shibukawa.ed.jp?
Last seen Jun 2026 · 9 technologies across 7 categories
CMS
Google Sites
since May 2025
Font scripts
Google Font API
since May 2025
JavaScript libraries
Miscellaneous
Open Graph
since May 2025
Security
HSTS
since Aug 2023
Web servers
Nginx
since Oct 2022
Webmail
Google Workspace
since Oct 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.59 / 10 · ranked #5,778,475 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 2.7 MB · 61 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| furumaki-j.shibukawa.ed.jp | 7 |
| hokkitsu-j.shibukawa.ed.jp | 7 |
| akagi-minami-j.shibukawa.ed.jp | 6 |
| furumaki-e.shibukawa.ed.jp | 6 |
| komochi-j.shibukawa.ed.jp | 6 |
| shibukawa-j.shibukawa.ed.jp | 6 |
| shibukawa-kita-j.shibukawa.ed.jp | 6 |
| tachibana-kita-e.shibukawa.ed.jp | 6 |
| tsukuda-e.shibukawa.ed.jp | 6 |
| toyoaki-e.shibukawa.ed.jp | 5 |
| www.shibukawa.ed.jp | 3 |
Full technology history →
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Recent changes
- detected Closure Library Jan 2026