What powers helikopter-boven.nl?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Google Analytics
since Mar 2024
Simple Analytics
since Aug 2026
JavaScript frameworks
Miscellaneous
Open Graph
since Mar 2024
Webpack
since Mar 2024
Operating systems
Ubuntu
since Mar 2024
Performance
Priority Hints
since Mar 2024
Programming languages
Node.js
since Mar 2024
UI frameworks
Tailwind CSS
since Mar 2024
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.4 s |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 0.5 MB · 20 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Leaseweb (83.149.105.106)
- DNS: leaseweb.com
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped HSTS Sep 2026