What powers zuercher-lighthouse.ch?
Last seen Aug 2026 · 17 technologies across 12 categories
Caching
CMS
Databases
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Webmail
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #950,057 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.1 MB · 25 requests
- WordPress theme: avada · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on CYON (149.126.4.23, IPv6)
- DNS: cyon.ch
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 14,520,216, 3 hosts
- Verified with: Microsoft 365
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 Cart Functionality Aug 2026
- dropped Contact Form 7 Aug 2026
- dropped LazySizes Aug 2026
- dropped Litespeed Cache Aug 2026
- dropped WooCommerce Aug 2026
- detected WP Rocket Jul 2026
- dropped Really Simple SSL & Security Jun 2026
- dropped lite-youtube-embed Dec 2025
- dropped YouTube Dec 2025
- detected lite-youtube-embed Oct 2025
- detected YouTube Oct 2025