What powers f-portal.biz?
Last seen Jun 2026 · 6 technologies across 6 categories
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Operating systems
CentOS
since Aug 2022
Programming languages
Web server extensions
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.0 MB · 7 requests
Homepage as crawled by the HTTP Archive, Jul 2026.