What powers 21seiki-group.com?
Last seen Jun 2026 · 9 technologies across 8 categories
Analytics
CDN
Google Hosted Libraries
since Feb 2022
Editors
DreamWeaver
since Jan 2019
JavaScript libraries
Operating systems
CentOS
since Jan 2019
Programming languages
Web server extensions
Web servers
Audience
- 89% phone
- 11% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.65 / 10 · ranked #20,734,053 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.1 MB · 25 requests
Homepage as crawled by the HTTP Archive, Jul 2026.