What powers a-class-m.com?
Last seen Jun 2026 · 11 technologies across 10 categories
Analytics
Google Analytics
since Feb 2019
Umami
since Aug 2024
JavaScript libraries
Load balancers
Amazon ALB
since Oct 2024
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Oct 2024
Programming languages
Ruby
since Oct 2024
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Feb 2019
Web frameworks
Ruby on Rails
since Oct 2024
Web servers
Apache HTTP Server
since Feb 2019
Audience
- 76% phone
- 24% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.39 / 10 · ranked #7,595,609 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 11.6 MB · 95 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.