What powers gclef.co.jp?
Last seen Jun 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
CDN
jsDelivr
since Jul 2020
Ecommerce
Cart Functionality
since Aug 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Operating systems
Ubuntu
since Jan 2019
Performance
Turbolinks
since Nov 2021
Programming languages
Ruby
since Jan 2020
Web frameworks
Ruby on Rails
since Jan 2020
Web servers
Nginx
since Feb 2020
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.97 / 10 · ranked #1,649,445 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 6.6 MB · 54 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.gclef.co.jp | 12 |
| www.gclef.co.jp | 11 |