What powers 
ptkardio.pl?
Last seen Sep 2026 · 67 technologies across 27 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
Geolocation
Hosting panels
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Operating systems
Page builders
Performance
Photo galleries
Programming languages
Retargeting
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.89 / 10 · ranked #258,216 of all domains
113 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 1.9 MB · 76 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Polish Cardiac Society
- Founded: 1954
- Sector: higher education
- Country: Poland
From Wikidata (CC0).
Infrastructure
- Hosted on HOMEPL-AS (46.242.129.3)
- DNS: 42.pl
- Email: ptkardio.pl
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, BIMI
- SSL: Certum, RSA 4096, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,253,631, 109 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ptkardio.pl | 17 |
| skrmitk.ptkardio.pl | 16 |
| www.echo.ptkardio.pl | 15 |
| echo.ptkardio.pl | 14 |
| polecho2025.ptkardio.pl | 13 |
| www.ptkardio.pl | 13 |
| polecho2026.ptkardio.pl | 12 |
| polstim2026.ptkardio.pl | 12 |
| www.krazenieplucne.ptkardio.pl | 12 |
| kongres2022.ptkardio.pl | 11 |
| kongres2023.ptkardio.pl | 11 |
| kongres2025.ptkardio.pl | 11 |
| polecho2023.ptkardio.pl | 11 |
| polstim2023.ptkardio.pl | 11 |
| kardioonkologia.ptkardio.pl | 10 |
| kongres2021.ptkardio.pl | 10 |
| kongres2024.ptkardio.pl | 10 |
| kongres2026.ptkardio.pl | 10 |
| polecho2024.ptkardio.pl | 10 |
| polstim2024.ptkardio.pl | 10 |
| www.krakow.ptkardio.pl | 10 |
| kongres2020.ptkardio.pl | 9 |
| polstim2025.ptkardio.pl | 9 |
| polecho2021.ptkardio.pl | 8 |
Full technology history →
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Recent changes
- detected cdnjs Jun 2026
- detected Cloudflare Jun 2026
- detected HTTP/3 Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025