What powers j-gakufu.com?
Last seen Jun 2026 · 7 technologies across 6 categories
Authentication
Facebook Login
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
FreeBSD
since Oct 2020
Web server extensions
Web servers
Audience
- 57% desktop
- 43% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.45 / 10 · ranked #2,580,066 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| j-gakufu.com | 7 |
| www.j-gakufu.com | 7 |
Full technology history →
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Recent changes
- dropped Facebook Aug 2025