What powers joker.co.jp?
Last seen Jun 2026 · 16 technologies across 10 categories
Analytics
Microsoft Clarity
since Jan 2026
CDN
Font scripts
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2025
Operating systems
CentOS
since Jan 2019
Programming languages
UI frameworks
Web server extensions
Web servers
Audience
- 85% phone
- 15% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #363,219 of all domains
70 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 3.7 MB · 104 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| joker.co.jp | 16 |
| www.joker.co.jp | 15 |
Full technology history →
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Recent changes
- detected Microsoft Clarity Jan 2026