What powers castle-vianden.lu?
Last seen Aug 2026 · 32 technologies across 18 categories
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Jun 2020
Font scripts
Font Awesome
since Jul 2020
Google Font API
since Jun 2020
Hosting panels
Plesk
since Jan 2019
JavaScript frameworks
GSAP
since Jun 2020
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
wpBakery
since Feb 2022
Photo galleries
Programming languages
TypeScript
since Dec 2022
UI frameworks
Animate.css
since Jun 2020
Video players
Web servers
Nginx
since Mar 2020
Widgets
AddToAny
since Feb 2021
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 84% phone
- 14% desktop
- 2% tablet
Netherlands
Germany
Belgium
France
Luxembourg
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #285,860 of all domains
155 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 100 ms |
| CLS | 0.35 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 18.5 MB · 148 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vianden Castle
- Founded: 1100
- Industry: Arts and entertainment (declares
Event) - Country: Luxembourg
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on ASN-VO Visual Online S.A. Luxembourg (85.93.210.157)
- DNS: vo.lu
- Email: vo.lu
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 625,314, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| castle-vianden.lu | 29 |
| new.castle-vianden.lu | 26 |
| www.castle-vianden.lu | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Priority Hints Jun 2026
- detected Priority Hints Apr 2026
- dropped Priority Hints Mar 2026
- detected Priority Hints Dec 2025
- dropped core-js Nov 2025
- dropped PDF.js Nov 2025