What powers seirenes.jp?
Last seen Jun 2026 · 11 technologies across 7 categories
Analytics
Google Analytics
since Apr 2025
Font scripts
Font Awesome
since Apr 2025
Google Font API
since Apr 2025
Hosting
Sakura Internet
since Apr 2025
JavaScript libraries
Programming languages
PHP
since Apr 2025
UI frameworks
Animate.css
since Apr 2025
Web servers
Nginx
since Apr 2025
Audience
- 67% phone
- 33% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.52 / 10 · ranked #2,453,145 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.9 MB · 41 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| seirenes.jp | 11 |
| www.seirenes.jp | 11 |