What powers 4-u.co.jp?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Google Analytics
since Dec 2020
CMS
Databases
MySQL
since Dec 2020
Font scripts
Font Awesome
since Jun 2026
Google Font API
since Dec 2020
Hosting
Xserver
since Jan 2023
JavaScript libraries
Isotope
since Jan 2023
Miscellaneous
Open Graph
since Jan 2023
RSS
since Jan 2023
Programming languages
PHP
since Dec 2020
Security
reCAPTCHA
since Jan 2023
UI frameworks
Animate.css
since Dec 2020
Web servers
Nginx
since Jan 2023
WordPress plugins
WordPress themes
HashThemes Total
since Jan 2023
Audience
- 51% desktop
- 49% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.03 / 10 · ranked #3,509,320 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 111 requests
- WordPress theme: total (child: total-child-4u) · all themes
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Font Awesome Jun 2026