What powers 556.jp?
Last seen Jun 2026 · 7 technologies across 7 categories
A/B Testing
Estore Compare
since Feb 2021
CDN
Google Hosted Libraries
since Sep 2024
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since May 2025
JavaScript libraries
Miscellaneous
RSS
since Sep 2024
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 71% phone
- 29% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.60 / 10 · ranked #5,715,269 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 12.0 MB · 172 requests
Homepage as crawled by the HTTP Archive, Jul 2026.