What powers zsis.hr?
Last seen Aug 2026 · 5 technologies across 5 categories
JavaScript frameworks
Operating systems
Windows Server
since Dec 2022
Security
HSTS
since Dec 2022
Web frameworks
Web servers
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
Croatia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,357,159 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on VIPNET-AS Internet Service Provider (31.45.240.51)
- DNS: a1.hr
- Email: zsis.hr
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 1,932,722, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted