What powers undoukagakusouken.co.jp?
Last seen Jun 2026 · 23 technologies across 11 categories
Analytics
Google Analytics
since Jun 2023
CDN
cdnjs
since Feb 2022
Cloudflare
since May 2022
Databases
Sendgrid
since May 2024
Font scripts
Font Awesome
since Sep 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Security
reCAPTCHA
since Sep 2021
UI frameworks
Bootstrap
since Sep 2021
Video players
VideoJS
since Apr 2022
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Sep 2021
Audience
- 55% phone
- 45% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.90 / 10 · ranked #1,770,709 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.4 MB · 26 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| douga.undoukagakusouken.co.jp | 20 |
| undoukagakusouken.co.jp | 3 |
| www.undoukagakusouken.co.jp | 2 |