What powers lucerna.cz?
Last seen Jun 2026 · 17 technologies across 11 categories
Analytics
Authentication
Facebook Login
since Jun 2021
CDN
cdnjs
since Jun 2023
Cloudflare
since Jun 2023
Font scripts
Google Font API
since Jun 2023
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since May 2025
UI frameworks
Bootstrap
since Jun 2023
Materialize CSS
since Jun 2023
Web frameworks
Nette Framework
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Jul 2020
Audience
- 77% phone
- 23% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.17 / 10 · ranked #471,401 of all domains
94 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.7 MB · 33 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| cafe.lucerna.cz | 11 |
| kavarna.lucerna.cz | 11 |
| www.lucerna.cz | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Jun 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Bot Management Dec 2025