What powers 4challenge.org?
Last seen Jun 2026 · 33 technologies across 17 categories
Advertising
Microsoft Advertising
since Jul 2025
Analytics
Facebook Pixel
since Jun 2021
Google Analytics
since Jan 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jul 2020
Unpkg
since Jul 2024
CMS
WordPress
since Jan 2019
Cookie compliance
CookieYes
since Mar 2024
Databases
MySQL
since Jan 2019
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
LazySizes
since Feb 2022
Programming languages
PHP
since Jan 2019
Security
reCAPTCHA
since Apr 2019
SEO
UI frameworks
Video players
YouTube
since Jun 2024
Web servers
Nginx
since Jun 2019
WordPress plugins
EWWW Image Optimizer
since Feb 2022
Audience
- 82% phone
- 18% desktop
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.51 / 10 · ranked #6,408,189 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish (Poland)
- Weight: 3.8 MB · 132 requests
- WordPress theme: 4challenge · 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 Mouse Flow Jan 2026
- detected Google Analytics Dec 2025
- dropped Google Tag Manager Sep 2025
- dropped Google Analytics Aug 2025