What powers knv.cz?
Last seen Sep 2026 · 19 technologies across 15 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web servers
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 27% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.32 / 10 · ranked #2,846,602 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 5.1 MB · 59 requests
- WordPress theme: knihovna · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Library in Vinohrady
- Founded: 2003
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on WEDOS-GLOBAL (185.8.237.5)
- DNS: wedos.com
- Email: wedos.net
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 9,323,594, 3 hosts
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped WP-Optimize Sep 2026
- detected HTTP/3 Aug 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Dec 2025
- dropped Cloudflare Bot Management Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025