What powers crystal-seian.co.jp?
Last seen Jun 2026 · 8 technologies across 5 categories
A/B Testing
Estore Compare
since Feb 2021
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Jun 2022
Ecommerce
Cart Functionality
since Aug 2020
JavaScript libraries
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.70 / 10 · ranked #2,161,289 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 244 requests
Homepage as crawled by the HTTP Archive, Jul 2026.