What powers 
saunasystem.cz?
Last seen Aug 2026 · 28 technologies across 14 categories
Analytics
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web servers
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #620,093 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 3.8 MB · 91 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ZONER-AS (217.198.115.164, IPv6)
- DNS: regzone.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,416,469
- 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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