What powers 4zscv.cz?
Last seen Jun 2026 · 16 technologies across 13 categories
CMS
Databases
MySQL
since May 2020
Ecommerce
Cart Functionality
since Jan 2026
Font scripts
Google Font API
since Mar 2023
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Mobile frameworks
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
PHP
since May 2020
Security
Really Simple SSL & Security
since Apr 2024
Web servers
Apache HTTP Server
since Nov 2024
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
WordPress plugins
WP Fastest Cache
since Feb 2022
Audience
- 100% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.43 / 10 · ranked #7,198,603 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 29 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cart Functionality May 2026
- dropped Priority Hints Apr 2026
- dropped Cart Functionality Mar 2026
- detected Cart Functionality Jan 2026
- detected Priority Hints Jan 2026