What powers c21-yh.com?
Last seen Jun 2026 · 10 technologies across 10 categories
Analytics
Google Analytics
since Mar 2023
CDN
Google Hosted Libraries
since Mar 2023
Font scripts
JavaScript libraries
Miscellaneous
RSS
since Mar 2023
Operating systems
AlmaLinux
since Mar 2023
Programming languages
Tag managers
Google Tag Manager
since Mar 2023
Web server extensions
Web servers
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.76 / 10 · ranked #17,415,227 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.9 MB · 84 requests
Homepage as crawled by the HTTP Archive, Jul 2026.