What powers zsflc.cz?
Last seen Jun 2026 · 24 technologies across 12 categories
CMS
Databases
MySQL
since Apr 2019
JavaScript libraries
OWL Carousel
since Jun 2021
Swiper
since Sep 2022
Miscellaneous
Mobile frameworks
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Apr 2019
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
Bootstrap
since Apr 2019
Web servers
Nginx
since Apr 2019
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Divi
since Jun 2021
The Events Calendar
since Feb 2022
WP Rocket
since Jul 2024
WP-PageNavi
since Feb 2022
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.80 / 10 · ranked #4,364,015 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.2 MB · 130 requests
- WordPress theme: divi (child: divi-child-wplama) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 May 2026
- dropped FingerprintJS Oct 2025