What powers kofuk.org?
Last seen Jun 2026 · 9 technologies across 6 categories
CDN
Cloudflare
since Dec 2022
Font scripts
Google Font API
since Dec 2022
JavaScript frameworks
React
since Apr 2025
Miscellaneous
Security
Keybase
since Jan 2023
Static site generator
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.83 / 10 · ranked #15,812,188 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 0.3 MB · 8 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.