What powers 9kyu.jp?
Last seen Jun 2026 · 9 technologies across 7 categories
Font scripts
Google Font API
since Oct 2025
Hosting
Xserver
since Oct 2025
JavaScript graphics
JavaScript libraries
Maps
Google Maps
since Oct 2025
Miscellaneous
Open Graph
since Oct 2025
Web servers
Nginx
since Oct 2025
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.91 / 10 · ranked #14,461,273 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Jun 2026.