What powers kuijpers.nl?
Last seen Oct 2026 · 25 technologies across 17 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% desktop
- 47% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.76 / 10 · ranked #273,573 of all domains
102 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 19.0 MB · 83 requests
- WordPress theme: kuijpers · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Koninklijke Kuijpers
- Founded: 1921
- Sector: building services engineering
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Registered Jun 1997 (29 years) via team.blue nl B.V.
- Hosted on CLDIN-NL Your Hosting B.V. (62.221.216.49)
- DNS: dn-s.nl
- Email: Barracuda
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 12,206,099, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped Hotjar Sep 2026
- dropped Mautic Aug 2026
- detected Mautic Jun 2026
- detected Microsoft Clarity Feb 2026