What powers 
slotzuylen.nl?
Last seen Sep 2026 · 51 technologies across 24 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting panels
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 18% desktop
- 6% tablet
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #364,791 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 6.7 MB · 218 requests
- WordPress theme: hello-elementor (child: relevance) · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zuylen Castle
- Founded: 1510
- Industry: Arts and entertainment (declares
Event) - Country: Netherlands
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on CLDIN-NL Your Hosting B.V. part of Your.Online (62.221.214.138, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 807,372, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| slotzuylen.nl | 35 |
| www.slotzuylen.nl | 35 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cookiebot Jun 2026
- detected Font Awesome Jun 2026
- detected Hotjar Jun 2026
- detected Microsoft Advertising Jun 2026
- detected Unpkg Apr 2026
- detected Bootstrap Mar 2026
- detected Underscore.js Mar 2026
- dropped Cookiebot Dec 2025
- dropped Font Awesome Dec 2025
- dropped Hammer.js Dec 2025
- dropped Microsoft Advertising Dec 2025
- dropped WP-Optimize Dec 2025
- detected WP Rocket Nov 2025