What powers den-up.jp?
Last seen Jun 2026 · 17 technologies across 10 categories
Analytics
Google Analytics
since May 2023
Microsoft Clarity
since Oct 2025
CDN
Amazon CloudFront
since May 2023
Amazon S3
since May 2023
cdnjs
since Sep 2025
Cloudflare
since Sep 2025
Google Hosted Libraries
since Sep 2025
Font scripts
Google Font API
since Mar 2024
JavaScript libraries
Marketing automation
Satori
since Jun 2024
Miscellaneous
Open Graph
since Mar 2024
PaaS
Amazon Web Services
since May 2023
Security
HSTS
since Aug 2023
Tag managers
Google Tag Manager
since May 2023
Video players
YouTube
since Sep 2024
Audience
- 92% phone
- 8% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.72 / 10 · ranked #2,126,653 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 13.3 MB · 185 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Astro Oct 2025
- detected Microsoft Clarity Oct 2025
- detected cdnjs Sep 2025
- detected Cloudflare Sep 2025
- detected Google Hosted Libraries Sep 2025
- detected jQuery Sep 2025
- detected Lightbox Sep 2025
- detected Slick Sep 2025