What powers quattro-expertise.nl?
Last seen Oct 2026 · 27 technologies across 16 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Maps
Miscellaneous
PaaS
Programming languages
Security
SEO
Tag managers
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 64% desktop
- 36% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,556,941 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.5 MB · 45 requests
- WordPress theme: pms72-quattro · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Quattro Expertise
- Industry: Professional services (declares
ProfessionalService) - Profiles: LinkedIn, YouTube
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Combell (185.86.18.117, IPv6)
- DNS: Amazon Route 53
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 25,648,273, 2 hosts
- Verified with: Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon Web Services Jun 2026