What powers 4flex.pl?
Last seen Jun 2026 · 31 technologies across 17 categories
CDN
cdnjs
since Jan 2025
Cloudflare
since Jan 2025
CMS
Databases
MySQL
since Jun 2021
Font scripts
Google Font API
since Apr 2019
JavaScript frameworks
GSAP
since Jul 2021
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Azure
since Jan 2025
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Jun 2021
RUM
Microsoft Application Insights
since Jan 2025
Security
Imperva
since Mar 2023
Tag managers
Google Tag Manager
since Apr 2019
UI frameworks
Bootstrap
since Jan 2025
Material Design Lite
since Jun 2021
Widgets
WordPress plugins
Audience
- 96% phone
- 4% desktop
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.91 / 10 · ranked #1,760,578 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish (Poland)
- CDN: Cloudflare
- Weight: 1.3 MB · 51 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 4flex.pl | 22 |
| www.4flex.pl | 13 |