What powers castellum.nl?
Last seen Jun 2026 · 21 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Oct 2025
Google Analytics
since Jan 2024
CDN
Cloudflare
since Oct 2025
Google Cloud CDN
since Jan 2024
Microsoft 365
since Jan 2024
Sendgrid
since Nov 2024
Font scripts
Font Awesome
since Mar 2025
Typekit
since Jan 2024
IaaS
Google Cloud
since Jan 2024
Issue trackers
JavaScript frameworks
Vue.js
since Feb 2026
JavaScript libraries
Swiper
since Jan 2024
Miscellaneous
Open Graph
since Jan 2024
PWA
since Jan 2024
Programming languages
Security
HSTS
since Mar 2025
Tag managers
Google Tag Manager
since Jan 2024
UI frameworks
Tailwind CSS
since Mar 2025
Web frameworks
Phoenix Framework
since Jan 2024
Phoenix LiveView
since Jan 2024
Audience
- 84% phone
- 13% desktop
- 3% tablet
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #360,848 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- CDN: Cloudflare, Google
- Weight: 8.7 MB · 120 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| castellum.nl | 17 |
| mijn.castellum.nl | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google AdSense Apr 2026
- dropped core-js Mar 2026
- dropped LogRocket Mar 2026
- dropped Webpack Mar 2026
- detected Vue.js Feb 2026
- dropped HTTP/3 Nov 2025
- detected Cloudflare Oct 2025
- detected Cloudflare Browser Insights Oct 2025
- dropped Cowboy Oct 2025
- dropped Heroku Oct 2025