What powers a4-klub.pl?
Last seen Jun 2026 · 33 technologies across 16 categories
Advertising
Criteo
since Jun 2018
Google AdSense
since Apr 2018
Google Publisher Tag
since Feb 2021
ID5
since Oct 2023
Prebid
since Mar 2019
Advertising Networks
DoubleClick Ad Exchange (AdX)
since Apr 2018
Smart Ad Server
since Jul 2018
Analytics
Cloudflare Browser Insights
since Apr 2025
Google Analytics
since Jun 2018
Microsoft Clarity
since Mar 2025
Snowplow Analytics
since Jun 2023
CDN
Cloudflare
since Apr 2018
Cookie compliance
Funding Choices
since Nov 2023
Databases
MySQL
since Jun 2018
Font scripts
Google Font API
since Apr 2018
JavaScript Frameworks
JavaScript libraries
Message boards
IPB
since Jun 2018
Miscellaneous
Google Code Prettify
since Jun 2018
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PWA
since Aug 2022
Performance
Cloudflare Rocket Loader
since Aug 2023
Programming languages
PHP
since Jun 2018
Rich text editors
CKEditor
since Jul 2018
Monaco Editor
since Mar 2026
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Aug 2018
Audience
- 90% phone
- 10% desktop
Poland
Ireland
Norway
Germany
United Kingdom
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.80 / 10 · ranked #4,367,623 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 200 ms |
| CLS | 0.4 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.4 MB · 119 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| a4-klub.pl | 25 |
| www.a4-klub.pl | 18 |
| portal.a4-klub.pl | 15 |
Full technology history →
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Recent changes
- dropped HSTS Jun 2026
- dropped Amazon Advertising Apr 2026
- dropped jQuery Migrate Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- detected Monaco Editor Mar 2026
- dropped Adobe Audience Manager Jan 2026
- dropped AppNexus Jan 2026
- dropped OpenX Jan 2026
- dropped Rubicon Project Jan 2026
- dropped PubMatic Dec 2025
- detected Adobe Audience Manager Aug 2025