What powers lefroma.jp?
Last seen Jun 2026 · 17 technologies across 13 categories
Authentication
Facebook Login
since Apr 2026
CDN
Font scripts
Google Font API
since Apr 2026
JavaScript graphics
particles.js
since Apr 2026
JavaScript libraries
Miscellaneous
Open Graph
since Apr 2026
PWA
since Apr 2026
Performance
Turbo
since Apr 2026
Programming languages
Ruby
since Apr 2026
Rich text editors
Security
HSTS
since Apr 2026
UI frameworks
Web frameworks
Ruby on Rails
since Apr 2026
Web servers
Nginx
since Apr 2026
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 43 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.