What powers zsza.sk?
Last seen Oct 2026 · 16 technologies across 11 categories
Analytics
Google Analytics
since Jan 2019
CDN
jQuery CDN
since Feb 2022
jsDelivr
since Sep 2020
JavaScript libraries
Maps
Google Maps
since Sep 2020
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2020
UI frameworks
Web frameworks
Nette Framework
since Sep 2020
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.56 / 10 · ranked #5,995,018 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Slovak
- Weight: 8.3 MB · 52 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zberné suroviny Žilina a.s.
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on TRESTEL-CZ-ASN (89.250.246.119)
- DNS: Websupport
- Email: zsza.sk
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,442,973, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted