What powers jsei.jp?
Last seen Jun 2026 · 14 technologies across 11 categories
CMS
Databases
MySQL
since Nov 2024
Font scripts
Google Font API
since Nov 2024
JavaScript libraries
Miscellaneous
RSS
since Nov 2024
Page builders
WordPress Block Editor
since Jun 2026
Programming languages
PHP
since Nov 2024
Web servers
Apache HTTP Server
since Jul 2022
Nginx
since Nov 2024
Webmail
Google Workspace
since Apr 2023
WordPress plugins
TablePress
since Nov 2024
WordPress Super Cache
since Nov 2024
WordPress themes
ThemeGrill Radiate
since Nov 2024
Audience
- 100% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.34 / 10 · ranked #2,803,206 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0.35 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jsei.jp | 12 |
| jsei.jp | 2 |