What powers zspolesovice.cz?
Last seen Oct 2026 · 8 technologies across 8 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
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
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 16% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.63 / 10 · ranked #5,475,560 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Czech
- Weight: 0.9 MB · 25 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SATT-AS (31.31.239.206, IPv6)
- DNS: web4u.cz
- Email: Google Workspace
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 18,114,594, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Tag Manager Jun 2026
- dropped jsDelivr Jun 2026
- dropped Google Analytics Apr 2026
- detected Google Analytics Feb 2026