What powers chopin.co.jp?
Last seen Jun 2026 · 15 technologies across 10 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Umami
since Sep 2024
CDN
Amazon CloudFront
since Nov 2024
Cloudflare
since Mar 2025
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
PaaS
Amazon Web Services
since Nov 2024
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Widgets
Twitter
since Apr 2019
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.16 / 10 · ranked #475,628 of all domains
51 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 7.1 MB · 67 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025