What powers 4dox.cz?
Last seen Jun 2026 · 27 technologies across 14 categories
Advertising
Microsoft Advertising
since Aug 2025
Analytics
Facebook Pixel
since Jul 2021
Google Analytics
since Jan 2019
Hotjar
since Jul 2020
Microsoft Clarity
since Oct 2024
Snowplow Analytics
since Jan 2025
CDN
Cloudflare
since Jun 2024
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Live chat
Tawk.to
since Feb 2025
Miscellaneous
Operating systems
Windows Server
since Jan 2019
Security
Cloudflare Bot Management
since Jun 2024
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Web frameworks
Web servers
Apache HTTP Server
since Jun 2024
Audience
- 55% phone
- 45% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.75 / 10 · ranked #2,090,757 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 3.6 MB · 144 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 4dox.cz | 18 |
| www.4dox.cz | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Aug 2025
- detected Microsoft Advertising Aug 2025