What powers gfz.hr?
Last seen Aug 2026 · 12 technologies across 8 categories
Font scripts
Google Font API
since Mar 2020
JavaScript graphics
Chart.js
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
RSS
since Dec 2022
Operating systems
Debian
since Jan 2024
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Croatia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #618,115 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.0 MB · 7 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Geofizika
- Country: Croatia
From Wikidata (CC0).
Infrastructure
- Hosted on CARNET-AS J.Marohnica 5, 10000 Zagreb (161.53.15.101)
- DNS: math.hr
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed, CAA
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 677,542, 21 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.gfz.hr | 10 |
| seizkarta.gfz.hr | 3 |
| jadran.gfz.hr | 2 |
| skola.gfz.hr | 2 |