What powers zapper-centrum.cz?
Last seen Jun 2026 · 27 technologies across 16 categories
Analytics
Authentication
Facebook Login
since Jul 2021
CDN
Bunny
since Feb 2024
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Google Hosted Libraries
since Feb 2022
Ecommerce
Cart Functionality
since Sep 2020
Shoptet
since May 2019
Font scripts
Google Font API
since May 2019
Issue trackers
JavaScript libraries
Live chat
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since May 2019
Tag managers
Google Tag Manager
since May 2019
UI frameworks
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
eKomi
since Apr 2025
Audience
- 68% phone
- 32% desktop
Czechia
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.58 / 10 · ranked #2,357,167 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 5.3 MB · 136 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 May 2026
- dropped Microsoft Advertising May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026
- dropped Google AdSense Mar 2026
- detected Microsoft Advertising Mar 2026
- dropped PostHog Feb 2026
- detected Sentry Feb 2026
- detected Facebook Pixel Dec 2025
- detected Glide.js Dec 2025
- detected PostHog Dec 2025