What powers zrce.cz?
Last seen Aug 2026 · 29 technologies across 17 categories
Analytics
Google Analytics
since Jun 2021
Authentication
Facebook Login
since Jul 2023
CDN
Google Hosted Libraries
since Jul 2023
jsDelivr
since Jun 2021
CMS
WordPress
since Jun 2021
Databases
MySQL
since Jun 2021
Ecommerce
Shoptet
since Jul 2023
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Programming languages
PHP
since Jun 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2021
UI frameworks
Tailwind CSS
since Apr 2022
Video players
YouTube
since Aug 2021
Web frameworks
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 74% phone
- 26% desktop
Czechia
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.70 / 10 · ranked #4,962,154 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 7.4 MB · 64 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.zrce.cz | 19 |
| tickets.zrce.cz | 17 |
| shop.zrce.cz | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Microsoft Clarity Mar 2026
- dropped TikTok Pixel Mar 2026
- detected Microsoft Clarity Jan 2026
- detected Smartsupp Jan 2026
- detected TikTok Pixel Jan 2026