What powers 
zwrot-podatkow.pl?
Last seen Sep 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since May 2019
Authentication
Facebook Login
since Jul 2021
CDN
Google Hosted Libraries
since Feb 2022
Microsoft Ajax Content Delivery Network
since Feb 2022
Cookie compliance
CookieFirst
since Apr 2024
Font scripts
Google Font API
since May 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Aug 2021
Security
reCAPTCHA
since Mar 2020
Tag managers
Google Tag Manager
since May 2019
Web frameworks
Laravel
since Aug 2021
Web servers
Nginx
since Aug 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Poland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #290,788 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Polish
- Weight: 12.7 MB · 88 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CF-KRK (94.152.54.174)
- DNS: home.pl
- Email: zwrot-podatkow.pl
- Email security: SPF (soft fail), no DMARC record, MTA-STS, BIMI
- SSL: Certum, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 11,607,081, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted