What powers jc-edu.co.jp?
Last seen Jun 2026 · 33 technologies across 21 categories
Advertising
Twitter Ads
since Nov 2021
Analytics
Google Analytics
since Apr 2019
Authentication
Facebook Login
since Nov 2021
CDN
Amazon S3
since Aug 2025
Cloudflare
since Mar 2025
CMS
Databases
MySQL
since Feb 2025
Font scripts
Font Awesome
since Feb 2025
Twitter Emoji (Twemoji)
since Jan 2026
JavaScript frameworks
Riot
since Nov 2021
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Apr 2019
PaaS
Amazon Web Services
since Aug 2025
Performance
Priority Hints
since Feb 2025
Programming languages
PHP
since Nov 2021
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Mar 2021
Video players
YouTube
since Jun 2026
Web servers
Widgets
Twitter
since Nov 2021
WordPress plugins
MetaSlider
since Feb 2025
TablePress
since Feb 2025
WordPress themes
Audience
- 85% desktop
- 15% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.86 / 10 · ranked #4,029,931 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.3 MB · 79 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jc-edu.co.jp | 19 |
| product.jc-edu.co.jp | 15 |
| support.jc-edu.co.jp | 6 |
| jc-edu.co.jp | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected YouTube Jun 2026
- dropped Cloudflare Feb 2026
- dropped Cloudflare Bot Management Feb 2026
- dropped Google Font API Jan 2026