What powers kaiyoukan.jp?
Last seen Jun 2026 · 8 technologies across 7 categories
Audience
- 67% phone
- 33% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.23 / 10 · ranked #447,224 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 15.3 MB · 132 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kaiyoukan.jp | 8 |
| www.kaiyoukan.jp | 8 |
Full technology history →
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Recent changes
- detected Letro Jun 2026
- dropped Letro May 2026
- dropped SnapWidget Feb 2026