What powers zweefvliegopleiding.nl?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
CDN
CMS
Editors
JavaScript libraries
Miscellaneous
Programming languages
Search engines
UI frameworks
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 67% desktop
- 33% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.34 / 10 · ranked #2,802,834 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 4.6 MB · 39 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- zweefvliegopleiding.nl
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.21.122, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 231,306, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zweefvliegopleiding.nl | 10 |
| zweefvliegopleiding.nl | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025