What powers kazusa-kouiki.jp?
Last seen Jun 2026 · 22 technologies across 14 categories
Analytics
Google Analytics
since Mar 2020
CMS
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since Mar 2020
Hosting panels
Plesk
since Mar 2024
JavaScript frameworks
Riot
since Apr 2024
JavaScript libraries
Slick
since Apr 2024
Underscore.js
since Apr 2024
Miscellaneous
RSS
since Dec 2022
Performance
LazySizes
since Feb 2022
Photo galleries
Programming languages
PHP
since Mar 2020
Security
reCAPTCHA
since Mar 2021
Web servers
Nginx
since Mar 2024
WordPress plugins
EWWW Image Optimizer
since Feb 2022
SVG Support
since Feb 2022
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.14 / 10 · ranked #1,365,519 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.1 MB · 104 requests
- WordPress theme: kazusa-suido · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped WP Fastest Cache Apr 2026
- dropped Autoptimize Mar 2026
- detected Contact Form 7 Mar 2026
- detected Master Slider Plugin Mar 2026
- dropped Redis Feb 2026
- dropped Redis Object Cache Feb 2026
- detected WP Fastest Cache Feb 2026
- dropped Contact Form 7 Jan 2026
- dropped jQuery UI Jan 2026
- detected core-js Dec 2025
- detected reCAPTCHA Dec 2025
- detected Redis Dec 2025
- detected Redis Object Cache Dec 2025
- dropped Master Slider Plugin Oct 2025
- detected Autoptimize Sep 2025
- dropped Autoptimize Aug 2025