What powers zwartwoud.nl?
Last seen Sep 2026 · 28 technologies across 12 categories
Advertising
Analytics
CDN
Cookie compliance
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Security
Tag managers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.66 / 10 · ranked #2,230,833 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 2.8 MB · 120 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zwartwoud
- Industry: Professional services (declares
ProfessionalService) - Profiles: LinkedIn, Instagram, Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: keurigonline.be
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 16,455,353, 2 hosts
- Verified with: Apple Business, Atlassian, Autodesk, Google, Microsoft 365, Proton
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- detected Leadinfo Apr 2026
- detected reCAPTCHA Mar 2026
- detected Proton Mail Feb 2026
- dropped Leadinfo Nov 2025
- dropped Vue.js Oct 2025