What powers roumuanzen.jp?
Last seen Jun 2026 · 7 technologies across 6 categories
JavaScript libraries
Mobile frameworks
Operating systems
Windows Server
since Aug 2022
PaaS
Azure
since Nov 2025
Web frameworks
Web servers
Audience
- 95% phone
- 5% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.9 MB · 44 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sumirin-inout.roumuanzen.jp | 7 |
| conglo.roumuanzen.jp | 5 |
| srd-jyutaku.roumuanzen.jp | 5 |
| sumirin.roumuanzen.jp | 4 |
Full technology history →
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Recent changes
- detected Azure Nov 2025