What powers do-kyu.com?
Last seen Jun 2026 · 19 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Sep 2023
Font scripts
Font Awesome
since Sep 2023
Google Font API
since Sep 2023
Hosting panels
Plesk
since Sep 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Rich text editors
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Sep 2023
Audience
- 92% phone
- 8% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.52 / 10 · ranked #2,455,385 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.1 MB · 145 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| chirorin.do-kyu.com | 17 |
| do-kyu.com | 17 |
| tamafuji.do-kyu.com | 17 |
| maido.do-kyu.com | 6 |
| gyukaku.do-kyu.com | 5 |
| www.do-kyu.com | 5 |