What powers ckreserve.com?
Last seen Jun 2026 · 8 technologies across 7 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
PWA
since May 2025
Operating systems
Ubuntu
since Jul 2020
PaaS
Amazon Web Services
since May 2025
UI frameworks
Bootstrap
since Jul 2020
Web servers
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.87 / 10 · ranked #3,957,800 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.3 MB · 104 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ckreserve.com | 6 |
| www.ckreserve.com | 6 |
| tbc.ckreserve.com | 4 |
| tbcv.ckreserve.com | 4 |