What powers os21oktobar.edu.rs?
Last seen Jun 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Jul 2019
CDN
cdnjs
since Feb 2023
Cloudflare
since Feb 2023
CMS
Joomla
since Jul 2019
Font scripts
Font Awesome
since Jul 2019
Google Font API
since Jul 2019
JavaScript libraries
Miscellaneous
K2
since Jul 2019
Open Graph
since Sep 2022
Programming languages
PHP
since Jul 2019
UI frameworks
Bootstrap
since Jul 2019
Web servers
Apache HTTP Server
since Jul 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 100% phone
Serbia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.44 / 10 · ranked #30,786,935 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Serbian (Serbia)
- Weight: 1.4 MB · 46 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| mail.os21oktobar.edu.rs | 14 |
| www.os21oktobar.edu.rs | 14 |