What powers jiseikai.com?
Last seen Jun 2026 · 22 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
CDN
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Performance
LazySizes
since Apr 2022
Programming languages
PHP
since Feb 2020
Video players
YouTube
since Apr 2022
Web servers
Nginx
since Feb 2020
WordPress plugins
EWWW Image Optimizer
since Apr 2022
Smash Balloon Instagram Feed
since Nov 2025
WordPress themes
Twenty Nineteen
since Feb 2022
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.57 / 10 · ranked #5,913,560 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 5.3 MB · 79 requests
- WordPress theme: exp-plain_19 · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Smash Balloon Instagram Feed Nov 2025
- detected Font Awesome Oct 2025