What powers j-shield.net?
Last seen Jun 2026 · 7 technologies across 5 categories
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Full technology history →
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Recent changes
- dropped IIS Jun 2026
- dropped Windows Server Jun 2026