What powers jr-seisen.jp?
Last seen Jun 2026 · 14 technologies across 12 categories
Analytics
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Font scripts
Twitter Emoji (Twemoji)
since Jan 2019
Hosting
Xserver
since Dec 2025
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web servers
Nginx
since Jan 2019
Widgets
Wheelio
since Sep 2021
WordPress plugins
Audience
- 92% phone
- 5% desktop
- 3% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.61 / 10 · ranked #2,308,226 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 2.8 MB · 48 requests
- WordPress theme: jrfl2016 · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jr-seisen.jp | 11 |
| www.jr-seisen.jp | 11 |
Full technology history →
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Recent changes
- dropped Priority Hints Jun 2026
- detected Priority Hints Mar 2026
- dropped Priority Hints Feb 2026
- dropped Sakura Internet Jan 2026
- detected Priority Hints Dec 2025
- detected Xserver Dec 2025