What powers kokai.jp?
Last seen Jun 2026 · 14 technologies across 11 categories
CMS
Databases
MySQL
since Feb 2019
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Feb 2019
Web servers
Nginx
since Feb 2019
Widgets
AddToAny
since Jan 2023
WordPress plugins
Contact Form 7
since Feb 2022
WordPress themes
Audience
- 69% desktop
- 31% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.46 / 10 · ranked #935,693 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 55 requests
- WordPress theme: neve · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics Apr 2026
- detected Google Analytics Feb 2026
- dropped EWWW Image Optimizer Dec 2025
- dropped LazySizes Dec 2025