What powers etssd.edu.rs?
Last seen Oct 2026 · 33 technologies across 18 categories
Authentication
CDN
CMS
Databases
Font scripts
Hosting panels
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
Video players
Web frameworks
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Serbia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.44 / 10 · ranked #2,595,625 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Serbian (Serbia)
- Weight: 3.5 MB · 130 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Ekonomsko-trgovinska škola (Economic and commercial school Smederevo on Wikidata)
- Founded: 1960
- Country: Serbia
- Profiles: Facebook
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on TELEKOM-AS (212.200.255.29)
- DNS: telekom.rs
- Email: mts.rs
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 281,726, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| etssd.edu.rs | 29 |
| www.etssd.edu.rs | 25 |
Full technology history →
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Recent changes
- dropped reCAPTCHA Jun 2026
- detected Twitter Emoji (Twemoji) Dec 2025