What powers 3tei.jp?
Last seen Jun 2026 · 38 technologies across 21 categories
Advertising
Yahoo Advertising
since Mar 2026
Analytics
CDN
cdnjs
since Dec 2025
Cloudflare
since Dec 2025
Google Cloud CDN
since Apr 2025
jsDelivr
since Dec 2025
Databases
Firebase
since Apr 2025
Development
Turbopack
since Jun 2026
Font scripts
Google Font API
since Apr 2025
IaaS
Google Cloud
since Apr 2025
Issue trackers
Sentry
since Jun 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Apr 2025
Vercel
since Jun 2026
Page builders
Performance
Priority Hints
since Feb 2026
Programming languages
Node.js
since Apr 2025
Rich text editors
Search engines
Security
HSTS
since Dec 2025
Tag managers
Google Tag Manager
since Apr 2025
UI frameworks
Material Design Lite
since Dec 2025
Tailwind CSS
since Jun 2026
Web frameworks
Express
since Dec 2025
Audience
- 61% phone
- 38% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.27 / 10 · ranked #9,068,068 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 4.6 MB · 141 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| app.3tei.jp | 32 |
| 3tei.jp | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Next.js Jun 2026
- detected Next.js App Router Jun 2026
- detected Priority Hints Jun 2026
- detected React Jun 2026
- detected Sentry Jun 2026
- detected Tailwind CSS Jun 2026
- detected Turbopack Jun 2026
- detected Vercel Jun 2026
- detected Webpack Jun 2026
- detected Amplitude May 2026
- dropped Priority Hints May 2026
- detected Yahoo Advertising Mar 2026
- detected Priority Hints Feb 2026
- detected Facebook Pixel Aug 2025