What powers 
weiss.ch?
Last seen Aug 2026 · 21 technologies across 14 categories
Caching
CMS
Databases
Font scripts
Hosting panels
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Video players
Web servers
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.80 / 10 · ranked #266,733 of all domains
77 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 1.0 MB · 55 requests
- WordPress theme: weiss-engineering · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Weiss Engineering
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on FREY-AS (185.117.169.62, IPv6)
- DNS: hostfactory.ch
- Email: hostfactory.ch
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Sectigo, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 2,970,152, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| weiss.ch | 19 |
| www.weiss.ch | 16 |
Full technology history →
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Recent changes
- dropped Google Tag Manager Nov 2025
- detected Vue.js Oct 2025