What powers janssenkliniek.nl?
Last seen Oct 2026 · 31 technologies across 17 categories
Advertising
Analytics
CMS
Databases
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Photo galleries
Programming languages
Tag managers
Video players
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
- 84% phone
- 16% desktop
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.58 / 10 · ranked #2,359,190 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 3.5 MB · 92 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Siem Producties
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on INTENTION-AS (87.239.8.24)
- DNS: ns01.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- Common Crawl link graph: rank 19,550,370, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Site Kit Oct 2026
- dropped Cookiebot Jun 2026
- detected Microsoft 365 Feb 2026