What powers zub-systems.de?
Last seen Aug 2026 · 28 technologies across 16 categories
Analytics
CDN
CMS
Ecommerce
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Mobile frameworks
Programming languages
Security
UI frameworks
Video players
Web frameworks
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 79% desktop
- 21% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.60 / 10 · ranked #813,584 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 0.5 MB · 17 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IONOS (87.106.126.135)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 1,187,957, 12 hosts
- Verified with: Brevo, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| isover-schallschutzrechner.zub-systems.de | 12 |
| rigips-schallschutzrechner.zub-systems.de | 12 |
| kaicalc.zub-systems.de | 10 |
| shop.zub-systems.de | 10 |
| techcalc.zub-systems.de | 10 |
| www.zub-systems.de | 10 |
Full technology history →
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Recent changes
- detected Fathom Apr 2026