What powers chofusai.jp?
Last seen Jun 2026 · 16 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Dec 2023
Google Analytics
since Aug 2024
CDN
Cloudflare
since May 2023
Mailgun
since May 2023
JavaScript frameworks
Miscellaneous
PaaS
Vercel
since May 2023
Programming languages
Node.js
since May 2023
Security
HSTS
since May 2023
Static site generator
UI frameworks
Tailwind CSS
since May 2023
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.98 / 10 · ranked #1,619,158 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 10.6 MB · 30 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| shinkan.chofusai.jp | 11 |
| 74th.chofusai.jp | 10 |
| www.chofusai.jp | 6 |
Full technology history →
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Recent changes
- dropped Next.js App Router Nov 2025
- dropped Priority Hints Nov 2025
- detected Astro Oct 2025