What powers jcfl.ac.jp?
Last seen Jun 2026 · 48 technologies across 21 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Oct 2023
CDN
CMS
Databases
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
JavaScript graphics
particles.js
since Aug 2022
JavaScript libraries
OWL Carousel
since Jun 2023
Select2
since Jun 2023
Slick
since Oct 2019
Underscore.js
since Jan 2026
Load balancers
Amazon ALB
since Sep 2021
Miscellaneous
HTTP/3
since Nov 2023
Open Graph
since Jun 2023
PWA
since Nov 2023
RSS
since Dec 2022
Webpack
since Nov 2023
PaaS
Amazon Web Services
since Sep 2021
Programming languages
PHP
since Aug 2022
TypeScript
since Jun 2023
Security
HSTS
since Nov 2023
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Video players
YouTube
since Feb 2021
Web servers
Nginx
since Aug 2022
Webmail
Google Workspace
since Nov 2023
Widgets
WordPress plugins
Smash Balloon Instagram Feed
since Aug 2022
WordPress themes
Audience
- 90% phone
- 10% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.91 / 10 · ranked #644,726 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 6.5 MB · 263 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| oc.jcfl.ac.jp | 29 |
| www.jcfl.ac.jp | 13 |
| intl.jcfl.ac.jp | 12 |
| portal.oe.jcfl.ac.jp | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Modernizr May 2026
- detected Modernizr Mar 2026
- detected Riot Jan 2026
- detected Underscore.js Jan 2026