What powers extera.cz?
Last seen Jun 2026 · 18 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Jan 2019
Hosting panels
Plesk
since Apr 2020
JavaScript frameworks
JavaScript libraries
Miscellaneous
Payment processors
PayPal
since Feb 2026
Performance
Priority Hints
since Feb 2026
Programming languages
PHP
since Jan 2019
Security
HSTS
since Feb 2026
Tag managers
Google Tag Manager
since Apr 2020
Web frameworks
Nette Framework
since Apr 2020
Web servers
Nginx
since Apr 2020
Audience
- 59% phone
- 41% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.72 / 10 · ranked #4,853,020 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 0.8 MB · 59 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.extera.cz | 15 |
| extera.cz | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Smartsupp Mar 2026
- detected HSTS Feb 2026
- detected PayPal Feb 2026
- detected Priority Hints Feb 2026
- detected RSS Feb 2026