What powers zvoska.cz?
Last seen Sep 2026 · 26 technologies across 15 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Performance
Photo galleries
Programming languages
SEO
Video players
Web frameworks
Web servers
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 llms.txt removed
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.12 / 10 · ranked #3,290,262 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.0 MB · 127 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zvoska
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ONE-NETWORK (185.102.21.90, IPv6)
- DNS: ignum.eu
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 34,096,310, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| zvoska.cz | 20 |
| eshop.zvoska.cz | 8 |
| test.zvoska.cz | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Jun 2026
- detected Priority Hints Mar 2026
- detected Flickity Feb 2026
- detected PhotoSwipe Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025