What powers rcu.pl?
Last seen Jun 2026 · 18 technologies across 10 categories
Analytics
Authentication
Facebook Login
since Jun 2021
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Security
reCAPTCHA
since Nov 2020
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web servers
LiteSpeed
since Jan 2019
Widgets
Facebook
since Jan 2019
Audience
- 100% phone
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.80 / 10 · ranked #4,367,733 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish
- Weight: 1.6 MB · 67 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| rcu.pl | 15 |
| www.rcu.pl | 12 |
Full technology history →
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Recent changes
- dropped Microsoft 365 May 2026
- detected Microsoft 365 Dec 2025