What powers utcode.net?
Last seen Jun 2026 · 29 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Apr 2025
Google Analytics
since Jan 2023
Caching
Varnish
since Jan 2023
CDN
Documentation
Font scripts
Google Font API
since Jan 2023
Issue trackers
Sentry
since Jun 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since May 2023
Open Graph
since Jan 2023
PWA
since Jan 2023
RSS
since Apr 2026
Webpack
since Jan 2023
PaaS
GitHub Pages
since Jan 2023
Performance
Priority Hints
since Jun 2025
Programming languages
Node.js
since Jan 2023
Security
HSTS
since Jan 2023
UI frameworks
Tailwind CSS
since May 2023
Vuetify
since Jan 2023
Webmail
Google Workspace
since May 2023
Audience
- 68% desktop
- 32% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.36 / 10 · ranked #7,882,582 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 225 ms |
| CLS | 0.7 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Fastly
- Weight: 0.5 MB · 17 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kf73.utcode.net | 16 |
| nikochan.utcode.net | 15 |
| learn.utcode.net | 11 |
| mf96.utcode.net | 11 |
| utcode.net | 9 |
| syllabus.utcode.net | 5 |
Full technology history →
Report an incorrect detection