What powers coupletime2021.jp?
Last seen Jun 2026 · 8 technologies across 6 categories
CDN
Font scripts
Google Font API
since Dec 2025
JavaScript libraries
Programming languages
Java
since Dec 2025
UI frameworks
Web servers
Apache HTTP Server
since Dec 2025
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.09 / 10 · ranked #11,208,548 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 46 requests
Homepage as crawled by the HTTP Archive, Jul 2026.