What powers sustina.cloud?
Last seen Jun 2026 · 7 technologies across 7 categories
Font scripts
Google Font API
since Dec 2025
Hosting
Sakura Internet
since Dec 2025
JavaScript graphics
Chart.js
since Dec 2025
JavaScript libraries
Programming languages
Security
HSTS
since Dec 2025
Web servers
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 14 requests
Homepage as crawled by the HTTP Archive, Jul 2026.