What powers system4.ch?
Last seen Sep 2026 · 36 technologies across 18 categories
A/B Testing
Google Optimize
since Jun 2021
Advertising
Twitter Ads
since Apr 2021
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Apr 2019
Google Call Conversion Tracking
since Jul 2021
Linkedin Insight Tag
since Feb 2021
Smartlook
since Jul 2023
CDN
Cloudflare
since Nov 2024
Cookie compliance
Databases
MySQL
since Apr 2019
Ecommerce
Cart Functionality
since Sep 2020
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Payment processors
PayPal
since May 2025
Programming languages
Reviews
Trusted Shops
since Oct 2021
Security
Tag managers
Google Tag Manager
since Apr 2019
Web frameworks
Symfony
since Mar 2020
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 52% phone
- 44% desktop
- 4% tablet
Switzerland
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.68 / 10 · ranked #2,196,881 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 10.4 MB · 128 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK (82.199.141.169, IPv6)
- DNS: trendhosting-net.ch
- Email: hostedsolution.ch
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P384, expires Jan 2027
- Common Crawl link graph: rank 30,891,551, 4 hosts
- Verified with: Google, Klaviyo
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| de.system4.ch | 19 |
| www.system4.ch | 18 |
| konfigurator.system4.ch | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Jul 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026
- detected Vue.js Apr 2026
- dropped Microsoft Clarity Mar 2026
- dropped Bootstrap Dec 2025