What powers vzlu.cz?
Last seen Jun 2026 · 20 technologies across 14 categories
Analytics
Caching
WordPress Super Cache
since Nov 2025
CDN
cdnjs
since Dec 2021
Cloudflare
since Jul 2022
CMS
Databases
MySQL
since Jun 2021
Font scripts
Google Font API
since Mar 2020
JavaScript libraries
Miscellaneous
Mobile frameworks
Performance
Priority Hints
since Oct 2025
Programming languages
PHP
since Jun 2021
Video players
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Audience
- 61% desktop
- 39% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.74 / 10 · ranked #286,509 of all domains
111 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech (Czechia)
- Weight: 1.2 MB · 35 requests
- WordPress theme: divi · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery Mobile May 2026
- detected HTTP/3 Apr 2026
- dropped HTTP/3 Jan 2026
- dropped Twitter Emoji (Twemoji) Nov 2025
- detected WordPress Super Cache Nov 2025
- detected jQuery Migrate Oct 2025
- detected Open Graph Oct 2025
- detected Priority Hints Oct 2025
- detected Yoast SEO Oct 2025