What powers usjfan.jp?
Last seen Jun 2026 · 10 technologies across 6 categories
Authentication
NextAuth.js
since Jul 2024
JavaScript frameworks
Miscellaneous
PaaS
Amazon Web Services
since Jul 2024
Programming languages
Node.js
since Jul 2024
UI frameworks
Radix UI
since Jul 2024
Tailwind CSS
since Mar 2026
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #29,863,544 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0.45 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 37 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected PWA Mar 2026
- detected Tailwind CSS Mar 2026