What powers 
viessmann.hk?
Last seen Nov 2025 · 12 technologies across 9 categories
Advertising
Microsoft Advertising
since Jan 2025
Analytics
Google Analytics
since Sep 2024
Matomo Analytics
since Nov 2024
CMS
Adobe Experience Manager
since May 2024
Cookie compliance
Usercentrics
since May 2024
JavaScript libraries
Miscellaneous
Open Graph
since May 2024
PWA
since May 2024
Programming languages
Java
since May 2024
Security
HSTS
since May 2024
Webmail
Google Workspace
since May 2024
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
Open Page Rank
3.66 / 10 · ranked #782,081 of all domains
42 referring domains · OpenPageRank
Infrastructure
- Hosted on ASN-TSI-IAS Internet and VPN Service Provider (93.122.86.52)
- DNS: ns14.net
- Email: Google Workspace
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,487,670, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted