What powers opus.org.pl?
Last seen Jun 2026 · 28 technologies across 15 categories
Analytics
Google Analytics
since Jul 2019
Authentication
Facebook Login
since Jan 2022
CDN
jsDelivr
since Oct 2020
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since May 2026
Programming languages
PHP
since Aug 2021
Security
reCAPTCHA
since Mar 2022
UI frameworks
Web servers
Apache HTTP Server
since Jul 2019
Webmail
Google Workspace
since Aug 2022
Widgets
Slider Revolution
since Nov 2022
Audience
- 54% desktop
- 47% phone
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.95 / 10 · ranked #611,220 of all domains
56 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish
- Weight: 10.3 MB · 83 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| crm.opus.org.pl | 17 |
| opus.org.pl | 16 |
| konkursy.opus.org.pl | 8 |
| zapisy.opus.org.pl | 8 |