What powers vca-onderwijs.nl?
Last seen Oct 2026 · 10 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Oct 2026
Caching
CDN
Cloudflare
since Oct 2026
Font scripts
Google Font API
since Oct 2024
JavaScript libraries
Miscellaneous
HTTP/3
since Oct 2026
Programming languages
PHP
since Oct 2024
Security
HSTS
since Oct 2024
UI frameworks
Materialize CSS
since Oct 2024
Web servers
Apache HTTP Server
since Oct 2024
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.2 MB · 19 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.4.251, IPv6)
- DNS: Cloudflare DNS
- Email: constructionmedia.nl
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted