What powers game4u.jp?
Last seen Jun 2026 · 20 technologies across 11 categories
A/B Testing
Google Optimize
since May 2022
Advertising
Affiliate programs
A8.net
since Oct 2022
Analytics
Google Ads Conversion Tracking
since May 2022
Google Analytics
since May 2022
TikTok Pixel
since Mar 2023
Authentication
Facebook Login
since May 2022
Google Sign-in
since May 2022
JavaScript frameworks
Vue.js
since May 2022
JavaScript libraries
Miscellaneous
Retargeting
Google Remarketing Tag
since May 2022
Tag managers
Google Tag Manager
since May 2022
Web servers
Audience
- 88% phone
- 9% tablet
- 3% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.90 / 10 · ranked #14,639,090 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 90 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| hcsj.game4u.jp | 15 |
| www.game4u.jp | 14 |
| fzsn-firelight.game4u.jp | 4 |