What powers jsy.cz?
Last seen Jun 2026 · 30 technologies across 15 categories
CDN
jsDelivr
since Apr 2026
CMS
Databases
MySQL
since Aug 2022
Font scripts
JavaScript frameworks
JavaScript graphics
Chart.js
since Jun 2024
particles.js
since Oct 2023
JavaScript libraries
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Programming languages
PHP
since Aug 2022
Security
reCAPTCHA
since Aug 2022
Video players
Widgets
WordPress plugins
Audience
- 83% phone
- 17% desktop
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.44 / 10 · ranked #30,262,630 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 5100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech
- Weight: 6.5 MB · 193 requests
- WordPress theme: strux · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Twitter Emoji (Twemoji) May 2026
- detected autoComplete.js Apr 2026
- detected jsDelivr Apr 2026
- detected React Apr 2026
- detected Jetpack Feb 2026
- detected Twitter Emoji (Twemoji) Feb 2026