What powers koseigaku.net?
Last seen Jun 2026 · 21 technologies across 10 categories
Databases
MongoDB
since Mar 2020
Font scripts
Google Font API
since Mar 2020
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Operating systems
Ubuntu
since Mar 2020
PaaS
Vultr
since Mar 2023
Programming languages
Node.js
since Mar 2020
UI frameworks
MUI
since Apr 2022
Web servers
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.11 / 10 · ranked #85,172,438 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 175 ms |
| CLS | 0.25 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.5 MB · 21 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| msb.koseigaku.net | 16 |
| one.koseigaku.net | 16 |