What powers rakusumu.com?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
Font scripts
JavaScript graphics
JavaScript libraries
Slick
since Mar 2020
Maps
Google Maps
since Mar 2020
Operating systems
CentOS
since Jan 2019
Programming languages
Web servers
Apache HTTP Server
since Jan 2019
Audience
- 54% phone
- 44% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.64 / 10 · ranked #2,250,125 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.5 MB · 151 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| joetsu.rakusumu.com | 10 |
| www.rakusumu.com | 10 |
| rakusumu.com | 9 |