What powers pkzh.ch?
Last seen Sep 2026 · 10 technologies across 9 categories
Analytics
CMS
Customer data platform
JavaScript frameworks
Miscellaneous
Programming languages
Security
Segmentation
Tag managers
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
- 63% phone
- 37% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.89 / 10 · ranked #1,801,035 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.2 MB · 85 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Pensionskasse Stadt Zürich
- Founded: 1913
From Wikidata (CC0).
Infrastructure
- Hosted on STADTZUERI (194.56.34.233)
- Email: stadt-zuerich.ch
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 13,146,710, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudflare Jan 2026
- dropped Cloudflare Bot Management Jan 2026
- dropped core-js Jan 2026
- dropped GSAP Jan 2026
- dropped jQuery Jan 2026
- dropped jQuery UI Jan 2026
- dropped ReadSpeaker Jan 2026
- detected Adobe Client Data Layer Dec 2025
- detected PWA Dec 2025