What powers richness4.com?
Last seen Jun 2026 · 22 technologies across 16 categories
Analytics
Google Analytics
since Oct 2020
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Oct 2020
Font scripts
Hosting
Xserver
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
LazySizes
since Feb 2022
LazySizes unveilhooks plugin
since Jul 2022
Programming languages
PHP
since Oct 2020
Tag managers
Google Tag Manager
since Feb 2022
Video players
YouTube
since Jul 2022
Web servers
Nginx
since Oct 2020
Widgets
Pocket
since Feb 2023
WordPress plugins
Autoptimize
since Mar 2023
Contact Form 7
since Feb 2022
Audience
- 96% phone
- 4% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.40 / 10 · ranked #35,956,958 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.2 MB · 41 requests
- WordPress theme: diver (child: diver_child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.