What powers 
vaillant.be?
Last seen Oct 2026 · 27 technologies across 14 categories
Analytics
CDN
CRM
Development
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Reviews
Security
UI frameworks
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 chatgpt-user removed from robots.txt
- Sep 2026 google-extended removed from robots.txt
- Sep 2026 youbot removed from robots.txt
- Sep 2026 oai-searchbot removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
- Sep 2026 perplexitybot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 22% desktop
- 7% tablet
Belgium
France
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.19 / 10 · ranked #457,785 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Dutch
- Weight: 2.2 MB · 73 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Microsoft (52.178.106.206)
- DNS: prim-ns.de
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: GlobalSign, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,520,382, 3 hosts
- Verified with: Brevo, GlobalSign, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| self-service.vaillant.be | 14 |
| www.vaillant.be | 12 |
| vaillant.be | 6 |
Full technology history →
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Recent changes
- dropped Amazon S3 Oct 2026
- dropped Amazon Web Services Oct 2026
- detected Bootstrap Sep 2026
- detected Next.js Sep 2026
- detected Node.js Sep 2026
- detected Priority Hints Sep 2026
- detected React Sep 2026
- detected styled-components Sep 2026
- detected Trustpilot Sep 2026
- detected Turbopack Sep 2026
- detected Webpack Sep 2026
- detected Salesforce Apr 2026