What powers zelpo.sk?
Last seen Aug 2026 · 32 technologies across 19 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Jan 2019
Hotjar
since Jan 2019
Caching
WP Rocket
since Jan 2026
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Jan 2026
CMS
Cookie compliance
Databases
MySQL
since Jan 2026
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2026
Operating systems
Windows Server
since Aug 2022
Page builders
WordPress Block Editor
since Jan 2026
Performance
Priority Hints
since Jan 2026
Programming languages
Tag managers
Google Tag Manager
since Jan 2019
Video players
YouTube
since Jan 2019
Web servers
WordPress plugins
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
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #809,201 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 300 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Slovak (Slovakia)
- Weight: 16.9 MB · 68 requests
- WordPress theme: radicle · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Zelpo (Železiarne Podbrezová on Wikidata)
- Founded: 1992
- Sector: Manufacture of basic iron and steel and of ferro-alloys, metal industry
- Country: Slovakia
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on SK-TELEKOM Slovak Telekom T-Mobile CZ (212.5.218.12)
- DNS: zelpo.sk
- Email: zelpo.sk
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 10,196,805, 16 hosts
- Verified with: Brevo, Google, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.zelpo.sk | 23 |
| m.zelpo.sk | 15 |
| pegas.zelpo.sk | 2 |
| pegasgw.zelpo.sk | 2 |
Full technology history →
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Recent changes
- dropped Backbone.js May 2026
- dropped core-js May 2026
- dropped Google Font API May 2026
- dropped jQuery Migrate May 2026
- dropped Moment.js May 2026
- dropped React May 2026
- dropped Underscore.js May 2026
- detected WPML Feb 2026