What powers kalkulacky.net?
Last seen Jun 2026 · 28 technologies across 14 categories
Advertising
Adform
since Oct 2022
AppNexus
since Oct 2022
Google AdSense
since Mar 2024
Google Publisher Tag
since Feb 2023
ID5
since Jun 2024
Prebid
since Oct 2022
Rubicon Project
since Sep 2025
Analytics
Google Analytics
since Oct 2022
CDN
Font scripts
Google Font API
since Oct 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
PWA
since Oct 2022
PaaS
Azure
since Oct 2022
RUM
Microsoft Application Insights
since Oct 2022
Security
Tag managers
Google Tag Manager
since Oct 2022
UI frameworks
Web frameworks
Microsoft ASP.NET
since Oct 2022
Web servers
Kestrel
since Oct 2022
Audience
- 71% phone
- 29% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.41 / 10 · ranked #34,317,039 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.6 MB · 58 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected reCAPTCHA Jun 2026
- dropped reCAPTCHA Dec 2025
- detected ID5 Sep 2025
- detected Rubicon Project Sep 2025