What powers josefprusa.cz?
Last seen Jun 2026 · 35 technologies across 22 categories
Advertising
Affiliate programs
Post Affiliate Pro
since Jul 2023
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Apr 2024
Pinterest Conversion Tag
since Jul 2023
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Sep 2024
CMS
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Feb 2022
Google Workspace
since Aug 2022
Mailmunch
since Feb 2022
Font scripts
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
jQuery UI
since Jun 2022
Miscellaneous
HTTP/3
since Apr 2026
Open Graph
since Sep 2022
Mobile frameworks
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Sep 2024
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Video players
YouTube
since Jul 2022
Web servers
Nginx
since Apr 2024
Widgets
AddThis
since Jan 2019
Shareaholic
since Jan 2023
WordPress plugins
Audience
- 51% phone
- 49% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #361,557 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 92 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected HTTP/3 Apr 2026
- detected Priority Hints Mar 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025