What powers kongres-online.pl?
Last seen Jun 2026 · 27 technologies across 14 categories
Analytics
Google Analytics
since Apr 2020
Hotjar
since Apr 2019
Matomo Analytics
since May 2024
VWO
since Jun 2024
CDN
Cookie compliance
Klaro
since Jun 2025
Customer data platform
SALESmanago
since Oct 2021
Font scripts
Google Font API
since Apr 2019
JavaScript graphics
JavaScript libraries
Lightbox
since Jul 2023
OWL Carousel
since Sep 2021
Preact
since Jun 2025
Select2
since Apr 2020
SweetAlert2
since Apr 2020
Miscellaneous
Open Graph
since Sep 2022
PaaS
OVHcloud
since Aug 2022
Performance
Priority Hints
since Jun 2024
Programming languages
PHP
since Sep 2021
Tag managers
Google Tag Manager
since Apr 2020
UI frameworks
Web servers
Nginx
since Apr 2020
Audience
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.95 / 10 · ranked #1,681,907 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish
- Weight: 6.5 MB · 497 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Maps Jun 2026
- dropped Font Awesome Oct 2025