What powers viessmann.be?
Last seen Jun 2026 · 25 technologies across 18 categories
A/B Testing
Google Optimize
since Jul 2021
Advertising
Microsoft Advertising
since Dec 2024
Analytics
CMS
Adobe Experience Manager
since Aug 2018
Cookie compliance
Usercentrics
since Jul 2021
CRM
Salesforce
since May 2025
Google Workspace
since Aug 2022
Mailjet
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Feb 2023
Operating systems
Windows Server
since Aug 2018
Programming languages
Java
since Aug 2018
Reviews
Trustpilot
since Aug 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Video players
Web frameworks
Microsoft ASP.NET
since Dec 2021
Web servers
Audience
- 48% phone
- 48% desktop
- 4% tablet
Belgium
France
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.74 / 10 · ranked #282,495 of all domains
101 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Belgium)
- CDN: Akamai
- Weight: 1.2 MB · 71 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.viessmann.be | 17 |
| productselector.viessmann.be | 12 |