What powers double-heart.jp?
Last seen Jun 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
Google Hosted Libraries
since Mar 2022
Cross border ecommerce
Ecommerce
Cart Functionality
since Sep 2020
Future Shop
since Jan 2019
Font scripts
Google Font API
since May 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RUM
New Relic
since Sep 2024
Security
HSTS
since Sep 2022
Web servers
Nginx
since Sep 2019
Audience
- 77% phone
- 23% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.85 / 10 · ranked #4,082,184 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.0 MB · 127 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.