What powers b4l.cz?
Last seen Jun 2026 · 36 technologies across 21 categories
Advertising
Microsoft Advertising
since May 2026
Analytics
Facebook Pixel
since Jul 2021
Google Analytics
since Jan 2019
CDN
Amazon S3
since Mar 2026
CMS
WordPress
since May 2024
Cookie compliance
Databases
MySQL
since Aug 2022
Ecommerce
Cart Functionality
since Aug 2022
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Swiper
since May 2024
Miscellaneous
HTTP/3
since Mar 2026
Open Graph
since Sep 2022
Popper
since Jul 2025
PWA
since Aug 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Mar 2026
Page builders
WordPress Block Editor
since Sep 2024
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jan 2019
Security
HSTS
since Jul 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Video players
YouTube
since Sep 2020
Web frameworks
Nette Framework
since Jul 2025
Web servers
WordPress plugins
Polylang
since May 2024
SVG Support
since May 2024
WP Fastest Cache
since May 2024
WP Featherlight
since May 2024
Audience
- 77% phone
- 23% desktop
Czechia
Slovakia
Poland
Austria
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.73 / 10 · ranked #293,321 of all domains
103 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 41 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.b4l.cz | 25 |
| winter.b4l.cz | 23 |
| eshop.b4l.cz | 15 |
| id.b4l.cz | 13 |
| tickets.b4l.cz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cookiebot May 2026
- detected Microsoft Advertising May 2026
- detected HTTP/3 Mar 2026
- detected OpenResty Mar 2026
- dropped Animate.css Aug 2025
- dropped Google Analytics Enhanced eCommerce Aug 2025
- dropped Ionicons Aug 2025
- dropped jQuery UI Aug 2025
- dropped LazySizes Aug 2025
- dropped OWL Carousel Aug 2025
- dropped PhotoSwipe Aug 2025
- dropped PrestaShop Aug 2025