What powers krs.co.jp?
Last seen Jun 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2025
Operating systems
Windows Server
since May 2024
PaaS
Amazon Web Services
since Jan 2019
Tag managers
Google Tag Manager
since Jan 2025
UI frameworks
Bootstrap
since Jan 2025
Web server extensions
Web servers
Amazon EC2
since Jan 2019
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.40 / 10 · ranked #1,009,429 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.8 MB · 83 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.krs.co.jp | 10 |
| wis.krs.co.jp | 3 |