What powers zsvranov.cz?
Last seen Sep 2026 · 16 technologies across 12 categories
Analytics
Google Analytics
since Mar 2024
CDN
jsDelivr
since Mar 2024
Font scripts
Google Font API
since Mar 2024
JavaScript libraries
Maps
Google Maps
since Mar 2024
Miscellaneous
SWFObject
since Mar 2024
Operating systems
Windows Server
since Oct 2021
Security
reCAPTCHA
since Mar 2024
UI frameworks
Bootstrap
since Mar 2024
Web frameworks
Microsoft ASP.NET
since Oct 2021
Web servers
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
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.74 / 10 · ranked #18,294,495 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 7.1 MB · 49 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (81.2.194.227)
- DNS: forpsi.cz
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- Common Crawl link graph: rank 42,495,310, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Application Request Routing Sep 2026
- dropped PHP Sep 2026