What powers polakcz.cz?
Last seen Sep 2026 · 27 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Dec 2024
Google Analytics
since Nov 2023
CDN
Mailjet
since Aug 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Babel
since Nov 2023
HTTP/3
since Dec 2024
Open Graph
since Oct 2022
PDF.js
since Nov 2023
PWA
since Aug 2022
PaaS
Amazon Web Services
since Nov 2023
Programming languages
PHP
since Aug 2022
Security
reCAPTCHA
since Oct 2024
Tag managers
Google Tag Manager
since Nov 2023
UI frameworks
MUI
since Nov 2023
Web frameworks
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.82 / 10 · ranked #4,240,856 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- CDN: Cloudflare
- Weight: 3.6 MB · 32 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.6.212, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 42,125,732, 3 hosts
- Verified with: Google, LinkedIn
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.polakcz.cz | 16 |
| konfigurator.polakcz.cz | 14 |