What powers zs-klokanek.cz?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Google Analytics
since Apr 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2024
PWA
since Sep 2024
Payment processors
PayPal
since Nov 2024
Programming languages
PHP
since May 2020
Security
reCAPTCHA
since Jul 2026
Web frameworks
Nette Framework
since May 2020
Web servers
Nginx
since Sep 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.78 / 10 · ranked #4,489,688 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 3.7 MB · 54 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SUPERNETWORK _ (37.235.104.239, IPv6)
- DNS: websupport.cz
- Email: zs-klokanek.cz
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 19,611,434
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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