What powers 
reddingmuseum.nl?
Last seen Aug 2026 · 28 technologies across 17 categories
Advertising
Analytics
CMS
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Retargeting
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
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
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.15 / 10 · ranked #480,689 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 3500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 32.4 MB · 76 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Nationaal Reddingmuseum Dorus Rijkers Den Helder (Nationaal Reddingmuseum Dorus Rijkers on Wikidata)
- Founded: 1982
- Country: Netherlands
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on CJ2-AS (213.132.223.194, IPv6)
- DNS: texelhosting.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P384, wildcard, expires Dec 2026
- Common Crawl link graph: rank 3,182,339, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tickets.reddingmuseum.nl | 20 |
| www.reddingmuseum.nl | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Advertising Jul 2026
- detected Microsoft Clarity Jul 2026
- dropped core-js Mar 2026
- dropped Facebook Pixel Mar 2026
- dropped Font Awesome Mar 2026
- dropped Microsoft Clarity Mar 2026
- detected Animate.css Nov 2025
- detected Font Awesome Nov 2025