What powers zrnozrnko.cz?
Last seen Sep 2026 · 31 technologies across 20 categories
Analytics
Google Analytics
since Dec 2021
CDN
Google Cloud CDN
since May 2025
Unpkg
since Dec 2021
CMS
Databases
Firebase
since May 2025
MailChimp
since Mar 2022
Font scripts
Google Font API
since Nov 2022
Typekit
since Dec 2021
IaaS
Google Cloud
since May 2025
Issue trackers
Sentry
since May 2025
JavaScript frameworks
Vue.js
since May 2025
JavaScript libraries
Maps
Google Maps
since May 2025
Miscellaneous
Payment processors
Performance
Google Cloud Trace
since May 2025
Priority Hints
since Nov 2022
Programming languages
RUM
Google Core Web Vitals
since Dec 2021
Tag managers
Google Tag Manager
since Aug 2023
Web frameworks
Express
since May 2025
Web servers
Nginx
since Dec 2021
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 76% phone
- 24% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.25 / 10 · ranked #1,198,722 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.7 MB · 29 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (3.73.27.108)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 12,159,670, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shop.zrnozrnko.cz | 17 |
| www.zrnozrnko.cz | 10 |
| zrnozrnko.cz | 9 |
Full technology history →
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Recent changes
- dropped Akamai May 2026
- dropped Akamai Bot Manager May 2026