What powers centrum-krystal.cz?
Last seen Jun 2026 · 14 technologies across 10 categories
CDN
CMS
ExpressionEngine
since Nov 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Apr 2020
Photo galleries
PhotoSwipe
since Sep 2022
Programming languages
UI frameworks
Web frameworks
CodeIgniter
since Nov 2021
Web servers
Amazon EC2
since Apr 2020
Audience
- 64% phone
- 36% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.71 / 10 · ranked #2,152,775 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 2.7 MB · 44 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Analytics May 2026
- dropped React Mar 2026
- detected Google Analytics Feb 2026