What powers cjf.lu?
Last seen Jun 2026 · 47 technologies across 22 categories
CDN
jsDelivr
since Jun 2023
CMS
Databases
MySQL
since Jun 2023
PostgreSQL
since Feb 2025
Ecommerce
Cart Functionality
since Feb 2025
Amazon SES
since Aug 2022
Font scripts
Hosting panels
Plesk
since Jun 2023
JavaScript frameworks
JavaScript graphics
Chart.js
since Jun 2023
JavaScript libraries
Isotope
since Jun 2023
Modernizr
since Jun 2023
OWL Carousel
since Jun 2023
prettyPhoto
since Jun 2023
Select2
since Feb 2025
Slick
since Jun 2023
Swiper
since Mar 2025
Maps
Google Maps
since Jun 2023
Miscellaneous
PaaS
Amazon Web Services
since Aug 2022
Page builders
Performance
Priority Hints
since Sep 2025
Programming languages
Security
HSTS
since Aug 2025
UI frameworks
Bootstrap
since Jun 2023
Video players
Web servers
Nginx
since Feb 2019
Widgets
WordPress plugins
Moove GDPR Consent
since Jun 2023
Audience
- 70% phone
- 30% desktop
Luxembourg
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.34 / 10 · ranked #1,076,352 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: French (France)
- Weight: 10.7 MB · 135 requests
- WordPress theme: goodwish · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.cjf.lu | 36 |
| www.formation.cjf.lu | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped FingerprintJS Apr 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Priority Hints Sep 2025
- detected HSTS Aug 2025