What powers jasf.jp?
Last seen Jun 2026 · 4 technologies across 4 categories
CDN
jQuery CDN
since Jan 2024
Hosting
Sakura Internet
since Jan 2024
JavaScript libraries
Web servers
Nginx
since Jan 2024
Audience
- 50% desktop
- 50% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.16 / 10 · ranked #1,329,143 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 5.4 MB · 87 requests
Homepage as crawled by the HTTP Archive, Jul 2026.