What powers 
zehnder.co.uk?
Last seen Sep 2026 · 14 technologies across 13 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Tag managers
Web servers
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 60% desktop
- 40% phone
United Kingdom
Ireland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.42 / 10 · ranked #981,625 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 2.0 MB · 61 requests
- Structured data: JSON-LD, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zehnder Group UK Limited
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (54.192.55.53, IPv6)
- DNS: managed-ip.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Amazon Trust Services, RSA 2048, expires May 2027
- Common Crawl link graph: rank 552,468, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted