What powers 
wereldschool.nl?
Last seen Aug 2026 · 41 technologies across 21 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting panels
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
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
- 77% phone
- 23% desktop
Netherlands
Indonesia
Morocco
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.81 / 10 · ranked #712,229 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 3500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 6.5 MB · 171 requests
- WordPress theme: edubin (child: edubin-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on CJ2-AS (94.124.92.159, IPv6)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,004,764, 2 hosts
- Verified with: OpenAI
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Nginx Jul 2026
- detected OpenResty Jul 2026
- detected HubSpot Chat May 2026
- detected WooCommerce Feb 2026
- dropped Nginx Oct 2025
- dropped OpenResty Oct 2025