What powers kaisei.or.jp?
Last seen Jun 2026 · 14 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Jul 2023
CMS
WordPress
since Jul 2023
Databases
MySQL
since Jul 2023
Editors
DreamWeaver
since Jul 2023
Font scripts
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Xserver
since Jul 2023
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
SEO
Tag managers
Google Tag Manager
since Jul 2023
Web servers
Nginx
since Jul 2023
Audience
- 86% phone
- 14% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.37 / 10 · ranked #1,046,188 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.7 MB · 157 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025