What powers gress.cz?
Last seen Jun 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Feb 2022
Amazon SES
since Aug 2025
SparkPost
since Aug 2022
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2025
Programming languages
PHP
since Feb 2022
Security
HSTS
since Sep 2023
Tag managers
Google Tag Manager
since Feb 2022
Web frameworks
Web servers
Audience
- 73% phone
- 27% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.47 / 10 · ranked #6,747,832 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.6 MB · 46 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Amazon SES Aug 2025
- detected Amazon Web Services Aug 2025