What powers castel.lu?
Last seen Jun 2026 · 34 technologies across 17 categories
Analytics
Google Analytics
since Aug 2022
CDN
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
Google Hosted Libraries
since Aug 2022
jsDelivr
since Mar 2025
Unpkg
since Mar 2025
Comment systems
Customer data platform
Sirdata
since Mar 2025
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
JavaScript libraries
FancyBox
since Aug 2022
Lightbox
since Aug 2022
OWL Carousel
since Mar 2025
Preact
since May 2026
Select2
since Mar 2025
Maps
Google Maps
since Aug 2022
Miscellaneous
Open Graph
since Mar 2025
PaaS
OVHcloud
since Aug 2022
Programming languages
PHP
since Aug 2022
Rich text editors
CKEditor
since Aug 2022
Security
UI frameworks
Web servers
Nginx
since Mar 2025
Webmail
Microsoft 365
since Dec 2025
Widgets
Slider Revolution
since Nov 2022
Audience
Luxembourg
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.57 / 10 · ranked #22,656,256 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 4.1 MB · 62 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| castel.lu | 22 |
| www.castel.lu | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Preact May 2026
- dropped core-js Mar 2026
- detected Microsoft 365 Dec 2025