What powers kai.ed.jp?
Last seen Jun 2026 · 45 technologies across 25 categories
Analytics
Google Analytics
since Feb 2019
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Documentation
Zendesk
since Mar 2026
Editors
Font scripts
Google Font API
since Feb 2019
Hosting panels
Plesk
since May 2019
JavaScript frameworks
AngularJS
since Apr 2020
JavaScript graphics
JavaScript libraries
Maps
Google Maps
since Feb 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Mar 2024
Photo galleries
Programming languages
PHP
since Jan 2019
Reverse proxies
Envoy
since Mar 2026
Security
Cloudflare Bot Management
since Mar 2026
HSTS
since Mar 2026
UI frameworks
Video players
YouTube
since May 2019
Web frameworks
CakePHP
since Sep 2021
Web servers
Nginx
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Widgets
FlexSlider
since Feb 2019
Wheelio
since Sep 2021
WordPress plugins
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 92% phone
- 8% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.27 / 10 · ranked #223,114 of all domains
104 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.6 MB · 52 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.yoshidah.kai.ed.jp | 18 |
| www.yamah.kai.ed.jp | 16 |
| www.nishi.kai.ed.jp | 15 |
| www.akebonoy.kai.ed.jp | 14 |
| www.chuouh.kai.ed.jp | 14 |
| www.enzanh.kai.ed.jp | 14 |
| www.first.kai.ed.jp | 14 |
| www.fujizaky.kai.ed.jp | 14 |
| www.hokuryoh.kai.ed.jp | 14 |
| www.hokutoh.kai.ed.jp | 14 |
| www.kawaguch.kai.ed.jp | 14 |
| www.ko.kai.ed.jp | 14 |
| www.kofutei.kai.ed.jp | 14 |
| www.masuho-chs.kai.ed.jp | 14 |
| www.minobu.kai.ed.jp | 14 |
| www.nirasakith.kai.ed.jp | 14 |
| www.niratakah.kai.ed.jp | 14 |
| www.norinh.kai.ed.jp | 14 |
| www.rogako.kai.ed.jp | 14 |
| www.syowah.kai.ed.jp | 14 |
| www.toukadai.kai.ed.jp | 14 |
| www.tsurukojokan.kai.ed.jp | 14 |
| www.ueko.kai.ed.jp | 14 |
| www.uguisu.kai.ed.jp | 14 |
Full technology history →
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Recent changes
- dropped FooPlugins FooGallery Jun 2026
- detected Priority Hints Aug 2025