What powers seiryu-kan.com?
Last seen Jun 2026 · 2 technologies across 2 categories
Editors
Web servers
Apache HTTP Server
since Feb 2019
Audience
- 55% phone
- 45% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.75 / 10 · ranked #17,830,385 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 47 requests
Homepage as crawled by the HTTP Archive, Jul 2026.