What powers zek.ch?
Last seen Aug 2026 · 11 technologies across 7 categories
CMS
JavaScript libraries
Miscellaneous
Operating systems
UI frameworks
Web frameworks
Web servers
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Blocked
Search and AI assistants
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 chatgpt-user added to robots.txt
- Aug 2026 gptbot added to robots.txt
- Aug 2026 perplexitybot added to robots.txt
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 65% phone
- 35% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.43 / 10 · ranked #412,992 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.9 MB · 58 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zentralstelle für Kreditinformation
- Country: Switzerland
From Wikidata (CC0).
Infrastructure
- Hosted on CYBERLINK Cyberlink AG (62.12.135.225)
- DNS: promatrix.ch
- Email: pmxmail.ch
- Email security: SPF (hard fail), DMARC reject
- SSL: WISeKey, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 8,094,492, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zek.ch | 11 |
| extranet.zek.ch | 10 |
Full technology history →
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Recent changes
- detected HTTP/3 Aug 2026