What powers kokuryu.co.jp?
Last seen Jun 2026 · 12 technologies across 8 categories
Font scripts
Typekit
since Apr 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since May 2025
PaaS
Vercel
since May 2025
Performance
Priority Hints
since May 2025
Programming languages
Node.js
since May 2025
Security
HSTS
since May 2025
Audience
- 79% phone
- 21% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #368,396 of all domains
94 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 5.6 MB · 160 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.