What powers janperi.cz?
Last seen Jun 2026 · 20 technologies across 11 categories
Analytics
CDN
Cloudflare
since Nov 2023
Google Hosted Libraries
since Feb 2022
Google Workspace
since Aug 2022
SparkPost
since Aug 2022
JavaScript libraries
Live chat
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Nov 2023
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web frameworks
Web servers
Nginx
since Mar 2019
Audience
- 60% phone
- 40% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.85 / 10 · ranked #4,099,414 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 2.8 MB · 75 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.