What powers janreco.com?
Last seen Jun 2026 · 28 technologies across 15 categories
Advertising
Google AdSense
since Nov 2024
Analytics
Google Analytics
since Nov 2024
CDN
Font scripts
Google Font API
since Jul 2025
JavaScript frameworks
JavaScript graphics
Chart.js
since Nov 2024
JavaScript libraries
Miscellaneous
PaaS
Performance
Priority Hints
since Aug 2025
Turbolinks
since Nov 2024
Programming languages
Security
Tag managers
Google Tag Manager
since Nov 2024
UI frameworks
Web frameworks
Ruby on Rails
since Nov 2024
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.10 / 10 · ranked #111,936,977 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.4 MB · 82 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| janreco.com | 21 |
| mahjong-point-calculator.janreco.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Webpack May 2026
- dropped Font Awesome Sep 2025
- detected Priority Hints Aug 2025