What powers 
libpro.cz?
Last seen Aug 2026 · 21 technologies across 14 categories
Caching
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Video players
Web servers
WordPress plugins
WordPress themes
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.77 / 10 · ranked #730,582 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech (Czechia)
- Weight: 2.0 MB · 44 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Libri Prohibiti
- Founded: 1990
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (162.55.174.230, IPv6)
- DNS: spoje.net
- Email: spoje.net
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 684,181, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected WordPress Block Editor Apr 2026
- detected WordPress Super Cache Apr 2026
- dropped WordPress Super Cache Mar 2026
- detected Twitter Emoji (Twemoji) Jan 2026