What powers japrs.or.jp?
Last seen Jun 2026 · 19 technologies across 13 categories
Analytics
Google Analytics
since Feb 2019
CMS
WordPress
since Feb 2019
Databases
MySQL
since Feb 2019
Font scripts
Google Font API
since Feb 2019
JavaScript graphics
Chart.js
since Feb 2019
particles.js
since Feb 2019
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Sep 2024
Programming languages
PHP
since Feb 2019
Security
UI frameworks
Web servers
Nginx
since Feb 2019
WordPress plugins
Audience
- 59% desktop
- 41% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.91 / 10 · ranked #645,051 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.4 MB · 118 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS May 2026