What powers 
sunsystem.cz?
Last seen Oct 2026 · 25 technologies across 13 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript libraries
Miscellaneous
Performance
Programming languages
Tag managers
UI frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 Content Signals changed
- Nov 2026 *: Allowed (was Restricted)
- Oct 2026 Content Signals changed
- Oct 2026 *: Restricted (was Allowed)
- Oct 2026 *: Allowed (was Restricted)
- Oct 2026 Content Signals changed
AI Crawlers
No AI crawlers blocked
Audience
- 62% phone
- 38% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.08 / 10 · ranked #519,212 of all domains
61 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 1.3 MB · 25 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered May 2000 (26 years) via Gransy s.r.o., renews May 2027
- Hosted on IGNUM-AS Webglobe, s.r.o. (62.109.155.254)
- DNS: vas-hosting.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 14,782,007, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| eshop.sunsystem.cz | 24 |
| www.sunsystem.cz | 12 |
Full technology history →
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