What powers twickelcollegedelden.nl?
Last seen Sep 2026 · 10 technologies across 9 categories
CDN
CMS
Miscellaneous
Programming languages
Security
SEO
Tag managers
Video players
Web frameworks
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 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.
Open Page Rank
2.91 / 10 · ranked #1,744,995 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 4.8 MB · 53 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (63.177.220.171)
- Email: STRATO
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 52,623,154, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.twickelcollegedelden.nl | 10 |
| twickelcollegedelden.nl | 6 |
Full technology history →
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Recent changes
- dropped Cloudflare Browser Insights Feb 2026
- detected Google Tag Manager Feb 2026
- detected Cloudflare Browser Insights Nov 2025