What powers cirkulum.cz?
Last seen Jun 2026 · 22 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Mar 2026
Google Analytics
since Jul 2019
CDN
Cloudflare
since Mar 2026
CMS
WordPress
since Jul 2019
Databases
MySQL
since Jul 2019
JavaScript libraries
Clipboard.js
since Aug 2022
Live chat
WhatsApp Business Chat
since Mar 2023
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jul 2019
Security
HSTS
since Sep 2022
UI frameworks
UIKit
since Jul 2019
Web servers
Nginx
since Mar 2026
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Polylang
since Oct 2022
Audience
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.13 / 10 · ranked #1,379,290 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech (Czechia)
- CDN: Cloudflare
- Weight: 1.4 MB · 34 requests
- WordPress theme: yootheme (child: yootheme-cirkulum) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Apache HTTP Server Apr 2026
- dropped WP Rocket Apr 2026
- detected Clipboard.js Mar 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Browser Insights Mar 2026
- detected core-js Mar 2026
- detected Facebook Pixel Mar 2026
- detected HTTP/3 Mar 2026
- detected jQuery Mar 2026
- detected jQuery Migrate Mar 2026
- detected Nginx Mar 2026
- detected Polylang Mar 2026