What powers koezuka.jp?
Last seen Jun 2026 · 21 technologies across 12 categories
CMS
WordPress
since Jul 2020
Databases
MySQL
since Jul 2020
Font scripts
Google Font API
since Jul 2020
Twitter Emoji (Twemoji)
since Sep 2021
JavaScript libraries
Slick
since Jun 2021
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Oct 2023
Programming languages
PHP
since Jul 2020
Security
reCAPTCHA
since Jul 2020
Web servers
Nginx
since Jul 2020
WordPress plugins
SiteOrigin Page Builder
since Mar 2022
Smash Balloon Instagram Feed
since Jan 2025
WordPress themes
ThemeZee Poseidon
since Mar 2022
Audience
- 95% phone
- 6% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.04 / 10 · ranked #3,479,456 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.7 MB · 136 requests
- WordPress theme: poseidon (child: koezuka-child) · all themes
- 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
- dropped TinyMCE Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected TinyMCE Nov 2025