What powers flat4.co.jp?
Last seen Jun 2026 · 24 technologies across 17 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Apr 2024
Authentication
Facebook Login
since Feb 2022
CDN
Google Hosted Libraries
since Feb 2022
CMS
WordPress
since Sep 2021
Databases
MySQL
since Sep 2021
Ecommerce
Cart Functionality
since Jul 2021
EC-CUBE
since May 2021
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Mar 2024
Programming languages
PHP
since May 2021
Security
reCAPTCHA
since Aug 2023
UI frameworks
Bootstrap
since May 2021
Video players
YouTube
since Sep 2021
Web server extensions
Web servers
Nginx
since Jan 2019
WordPress plugins
Smash Balloon Instagram Feed
since Feb 2022
Audience
- 59% phone
- 41% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.38 / 10 · ranked #1,033,055 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 32.2 MB · 135 requests
- WordPress theme: flat4 · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.flat4.co.jp | 15 |
| shopping.flat4.co.jp | 13 |
| jukebox.flat4.co.jp | 8 |