What powers ctsr.pl?
Last seen Jun 2026 · 37 technologies across 17 categories
Analytics
Cloudflare Browser Insights
since Jun 2026
Google Analytics
since May 2021
Microsoft Clarity
since Apr 2026
CDN
Cloudflare
since Jun 2026
CMS
Databases
MySQL
since Mar 2021
Ecommerce
Cart Functionality
since Jan 2026
Font scripts
JavaScript frameworks
Stimulus
since Jan 2026
JavaScript libraries
Miscellaneous
PaaS
OVHcloud
since May 2023
Performance
Priority Hints
since Nov 2023
Programming languages
Security
reCAPTCHA
since Mar 2021
Tag managers
Google Tag Manager
since Mar 2021
Video players
YouTube
since May 2026
Web servers
Apache HTTP Server
since Jul 2019
WordPress plugins
Popup Maker
since Feb 2022
Audience
- 50% desktop
- 50% phone
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.37 / 10 · ranked #7,773,356 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Polish
- CDN: Cloudflare
- Weight: 6.1 MB · 35 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ctsr.pl | 34 |
| www.ctsr.pl | 12 |
| szkolenia.ctsr.pl | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Browser Insights Jun 2026
- detected HTTP/3 Jun 2026
- detected MediaElement.js May 2026
- detected YouTube May 2026
- detected Cookie Notice Apr 2026
- detected Microsoft Clarity Apr 2026
- dropped TinyMCE Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected TinyMCE Nov 2025