What powers knihyskola.cz?
Last seen Oct 2026 · 24 technologies across 15 categories
Advertising
Analytics
Authentication
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Programming languages
Security
UI frameworks
Web frameworks
Web servers
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
- 79% phone
- 21% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.28 / 10 · ranked #8,945,758 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 2.2 MB · 84 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Knihy&Škola
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on SUPERNETWORK _ (88.86.119.11, IPv6)
- DNS: vas-hosting.com
- Email: hireus.cloud
- Email security: SPF (neutral), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 49,652,148, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.knihyskola.cz | 15 |
| www.bazar.knihyskola.cz | 11 |
| bazar.knihyskola.cz | 9 |
Full technology history →
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Recent changes
- detected core-js Oct 2026
- detected HSTS Oct 2026
- dropped jQuery UI Oct 2026
- dropped Selectize Oct 2026
- dropped Slider Revolution Oct 2026
- detected Font Awesome Sep 2026
- detected Smartsupp Jul 2026