What powers 431.or.jp?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since Aug 2022
Microsoft Clarity
since Jan 2025
CMS
WordPress
since Jan 2025
Databases
MySQL
since Jan 2025
JavaScript frameworks
GSAP
since Aug 2022
JavaScript libraries
Swiper
since Nov 2024
Miscellaneous
Open Graph
since Sep 2022
Performance
LazySizes
since Jan 2025
Priority Hints
since Jan 2025
Programming languages
PHP
since Jan 2025
Security
reCAPTCHA
since Jan 2025
Tag managers
Google Tag Manager
since Aug 2022
Web servers
Nginx
since Aug 2022
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Autoptimize
since Jan 2025
Contact Form 7
since Jan 2025
EWWW Image Optimizer
since Jan 2025
Yoast SEO
since Jan 2025
Audience
- 79% desktop
- 21% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.06 / 10 · ranked #3,440,160 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.7 MB · 94 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.