What powers kokoro-vj.org?
Last seen Jun 2026 · 16 technologies across 10 categories
CMS
Databases
MySQL
since Apr 2020
Font scripts
Font Awesome
since Apr 2022
JavaScript libraries
Slick
since Apr 2020
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Apr 2020
UI frameworks
Bootstrap
since Apr 2020
Web servers
Nginx
since May 2020
Webmail
Google Workspace
since Aug 2022
WordPress plugins
Polylang
since Oct 2022
RankMath SEO
since Nov 2022
Audience
- 67% phone
- 33% desktop
Japan
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.77 / 10 · ranked #4,536,457 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 20.6 MB · 162 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.