What powers krf.co.jp?
Last seen Jun 2026 · 12 technologies across 8 categories
A/B Testing
Estore Compare
since Feb 2021
Analytics
Google Analytics
since Feb 2019
Microsoft Clarity
since May 2025
CDN
Ecommerce
Cart Functionality
since Aug 2020
JavaScript libraries
Miscellaneous
RSS
since Sep 2025
Tag managers
Google Tag Manager
since Apr 2019
Web servers
Apache HTTP Server
since Feb 2019
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.89 / 10 · ranked #1,801,430 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 12.1 MB · 164 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped YouTube Oct 2025
- detected Cart Functionality Sep 2025
- detected Google Hosted Libraries Sep 2025
- detected jQuery CDN Sep 2025
- detected jsDelivr Sep 2025
- detected RSS Sep 2025
- detected Swiper Sep 2025