What powers atren.jp?
Last seen Jun 2026 · 7 technologies across 7 categories
Amazon SES
since Aug 2022
JavaScript graphics
Chart.js
since Feb 2023
PaaS
Amazon Web Services
since Aug 2022
Performance
Turbolinks
since Nov 2021
Programming languages
Ruby
since Jul 2021
Security
HSTS
since May 2025
Web frameworks
Ruby on Rails
since Jul 2021
Audience
- 94% phone
- 6% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #30,082,898 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.6 MB · 8 requests
Homepage as crawled by the HTTP Archive, Jul 2026.