What powers vzdelavanie21.sk?
Last seen Sep 2026 · 46 technologies across 23 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Widgets
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 31% phone
Slovakia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.38 / 10 · ranked #1,028,585 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Slovak (Slovakia)
- Weight: 5.0 MB · 223 requests
- WordPress theme: hello-elementor (child: hello-elementor-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vzdelávanie 21. storočia
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on SANET Slovak Academic Network (194.160.4.157)
- DNS: iedu.sk
- Email: vzdelavanie21.sk
- Email security: no SPF record, no DMARC record
- SSL: HARICA, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 2,648,369, 5 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ucime.vzdelavanie21.sk | 39 |
| vzdelavanie21.sk | 27 |
| verejnakonzultacia.vzdelavanie21.sk | 18 |
Full technology history →
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Recent changes
- detected Spotify Widgets Sep 2026
- dropped Spotify Widgets Aug 2026
- detected Spotify Widgets Jun 2026
- detected Chart.js May 2026
- dropped Spotify Widgets May 2026
- detected Spotify Widgets Mar 2026
- dropped Spotify Widgets Feb 2026
- detected Spotify Widgets Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Spotify Widgets Nov 2025