What powers simplejack.cz?
Last seen Jun 2026 · 28 technologies across 16 categories
Analytics
Google Analytics
since May 2021
Google Analytics Enhanced eCommerce
since Aug 2022
Leadfeeder
since Sep 2024
Microsoft Clarity
since Mar 2024
Snowplow Analytics
since May 2023
Authentication
Facebook Login
since Aug 2022
CDN
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
Ecommerce
Cart Functionality
since Aug 2022
Shoptet
since Aug 2022
Font scripts
Google Font API
since Aug 2022
JavaScript libraries
Live chat
Miscellaneous
HTTP/3
since May 2026
Open Graph
since Sep 2022
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Aug 2022
Rich text editors
Security
Cloudflare Bot Management
since May 2025
Tag managers
Google Tag Manager
since May 2021
UI frameworks
Web servers
Webmail
Apple iCloud Mail
since Oct 2024
Audience
- 73% phone
- 21% desktop
- 6% tablet
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.98 / 10 · ranked #12,938,839 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 4.2 MB · 108 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 May 2026
- detected Leadfeeder May 2026
- detected Microsoft Clarity May 2026
- detected OpenResty May 2026
- dropped Leadfeeder Mar 2026
- dropped Microsoft Clarity Mar 2026
- detected Google Font API Dec 2025
- dropped Doofinder Sep 2025