What powers stera.co.jp?
Last seen Jun 2026 · 10 technologies across 7 categories
Amazon SES
since Nov 2025
JavaScript libraries
Load balancers
Amazon ALB
since Feb 2026
PaaS
Amazon Web Services
since Nov 2025
Programming languages
Java
since Nov 2025
Security
HSTS
since Nov 2025
Web servers
Audience
- 72% desktop
- 28% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.44 / 10 · ranked #7,033,327 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.9 MB · 27 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Amazon ALB Feb 2026
- detected Jetty Feb 2026