What powers jkda.or.jp?
Last seen Jun 2026 · 32 technologies across 19 categories
Advertising
Google AdSense
since Apr 2023
Affiliate programs
Amazon Associates
since Jul 2021
Analytics
Google Analytics
since Apr 2019
Authentication
Facebook Login
since Jul 2021
CDN
CMS
Databases
MySQL
since Apr 2019
Font scripts
Twitter Emoji (Twemoji)
since Apr 2019
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Apr 2019
Security
reCAPTCHA
since Jul 2021
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Bootstrap
since Apr 2019
Video players
YouTube
since Apr 2026
Web servers
Nginx
since Apr 2019
WordPress plugins
TablePress
since Feb 2024
WordPress themes
Understrap
since Feb 2022
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.64 / 10 · ranked #5,389,212 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.3 MB · 99 requests
- WordPress theme: understrap (child: understrap-child-master) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Jun 2026
- dropped GSAP May 2026
- dropped Twitter May 2026
- dropped Twitter Ads May 2026
- dropped WordPress Block Editor May 2026
- detected cdnjs Apr 2026
- detected Cloudflare Apr 2026
- detected YouTube Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped FingerprintJS Oct 2025