What powers harv.cz?
Last seen Jun 2026 · 23 technologies across 14 categories
Advertising
Criteo
since Apr 2021
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Google Sign-in
since Nov 2022
CDN
cdnjs
since Nov 2022
Cloudflare
since Nov 2021
Ecommerce
Cart Functionality
since Nov 2021
Shoptet
since Jan 2019
JavaScript frameworks
Svelte
since Oct 2025
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Nov 2021
Tag managers
Google Tag Manager
since Apr 2021
UI frameworks
Web servers
Audience
- 69% phone
- 28% desktop
- 3% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.21 / 10 · ranked #3,081,364 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.5 MB · 121 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected HTTP/3 Jun 2026
- detected OpenResty Jun 2026
- detected Cart Functionality Apr 2026
- dropped Cart Functionality Nov 2025
- dropped Google Analytics Enhanced eCommerce Nov 2025
- dropped Gravatar Nov 2025
- detected Svelte Oct 2025
- dropped Google Customer Reviews Sep 2025
- detected Gravatar Sep 2025
- dropped Adobe Audience Manager Aug 2025