What powers 4heat.cz?
Last seen Jun 2026 · 36 technologies across 15 categories
Analytics
Google Analytics
since Feb 2020
Linkedin Insight Tag
since Feb 2021
Microsoft Clarity
since May 2021
Caching
WP Rocket
since Aug 2022
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
Unpkg
since Jun 2026
CMS
WordPress
since Feb 2020
Databases
MySQL
since Feb 2020
Font scripts
Google Font API
since Feb 2020
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Feb 2020
Security
Tag managers
Google Tag Manager
since Feb 2020
Web servers
Apache HTTP Server
since Feb 2020
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Polylang
since Oct 2022
WP Fastest Cache
since Nov 2025
Audience
- 74% desktop
- 26% phone
Slovakia
Czechia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.42 / 10 · ranked #2,641,758 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Czech (Czechia)
- Weight: 1.3 MB · 54 requests
- WordPress theme: 4heat-2026-theme · 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
- detected GSAP Jun 2026
- detected jQuery UI Jun 2026
- detected RSS Jun 2026
- detected Unpkg Jun 2026
- detected web-vitals Jun 2026
- detected WPML Jun 2026
- detected Microsoft Clarity Apr 2026
- dropped Nginx Mar 2026
- dropped Really Simple SSL & Security Feb 2026
- detected HSTS Nov 2025
- detected WP Fastest Cache Nov 2025