What powers koibotaru.jp?
Last seen Jun 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jul 2025
CDN
Google Hosted Libraries
since Jul 2025
jsDelivr
since Jul 2025
JavaScript libraries
Web servers
Nginx
since Jul 2025
Widgets
SnapWidget
since Jul 2025
Audience
- 88% phone
- 12% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.45 / 10 · ranked #2,590,998 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 300 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.3 MB · 73 requests
Homepage as crawled by the HTTP Archive, Jul 2026.