What powers 
sazimestromy.cz?
Last seen Sep 2026 · 14 technologies across 11 categories
Analytics
Google Analytics
since May 2019
Google Workspace
since Aug 2022
Mailjet
since Aug 2022
Font scripts
Font Awesome
since Feb 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Ubuntu
since Nov 2019
PaaS
Amazon Web Services
since May 2025
Static site generator
UI frameworks
Animate.css
since Feb 2024
Tailwind CSS
since Feb 2024
Video players
YouTube
since Feb 2024
Web servers
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
AI Crawlers
No AI crawlers blocked
Audience
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.28 / 10 · ranked #438,423 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 17.8 MB · 137 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on XANDMAIL-ASN (217.61.0.154)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (neutral), DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,101,088, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sazimestromy.cz | 14 |
| www.sazimestromy.cz | 14 |