What powers den-zen.jp?
Last seen Jun 2026 · 28 technologies across 16 categories
Advertising
AD EBiS
since Mar 2024
Analytics
Ahoy
since Feb 2024
Authentication
Login with Amazon
since Feb 2024
CDN
jsDelivr
since Feb 2024
Ecommerce
EcForce
since Feb 2024
JavaScript frameworks
JavaScript libraries
Axios
since Feb 2024
FingerprintJS
since Feb 2024
Swiper
since Feb 2024
Underscore.js
since Feb 2024
Miscellaneous
Open Graph
since Feb 2024
PaaS
Amazon Web Services
since Feb 2024
Payment processors
Amazon Pay
since Feb 2024
Paidy
since Feb 2024
Programming languages
Ruby
since Feb 2024
RUM
New Relic
since Feb 2024
Security
Tag managers
Google Tag Manager
since Mar 2024
Web frameworks
Ruby on Rails
since Feb 2024
Web servers
Nginx
since Feb 2024
Audience
- 76% phone
- 24% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.88 / 10 · ranked #3,938,132 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 4.7 MB · 257 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics May 2026
- dropped Java May 2026
- detected Google Analytics Mar 2026
- detected Java Mar 2026