What powers kcfa.jp?
Last seen Jun 2026 · 15 technologies across 11 categories
Analytics
Authentication
Facebook Login
since Jun 2021
CDN
Font scripts
Hosting
Sakura Internet
since Feb 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Security
HSTS
since May 2023
Web servers
Nginx
since Apr 2018
Webmail
Google Workspace
since Aug 2022
Audience
- 75% phone
- 25% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.11 / 10 · ranked #501,157 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.5 MB · 93 requests
Homepage as crawled by the HTTP Archive, Jul 2026.