What powers spectrum.cz?
Last seen Jun 2026 · 22 technologies across 12 categories
Analytics
Google Analytics
since Sep 2020
Luigi’s Box
since Aug 2025
Authentication
Facebook Login
since Sep 2024
Ecommerce
Cart Functionality
since Feb 2021
Shoptet
since Sep 2024
Font scripts
Typekit
since Sep 2024
JavaScript libraries
Live chat
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Sep 2021
UI frameworks
Web servers
Audience
- 68% desktop
- 32% phone
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.20 / 10 · ranked #3,092,412 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 104 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Gravatar Jun 2026
- detected HTTP/3 May 2026
- detected OpenResty May 2026
- detected Cart Functionality Apr 2026
- dropped Hotjar Mar 2026
- detected Babel Jan 2026
- detected Lodash Jan 2026
- detected Preact Jan 2026
- detected Luigi’s Box Aug 2025
- detected Smartsupp Aug 2025