What powers isb.rs?
Last seen Oct 2026 · 39 technologies across 22 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Rich text editors
Security
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Serbia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.55 / 10 · ranked #2,410,000 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 24.3 MB · 100 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- International School of Belgrade
- Country: Serbia
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: eunethosting.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 263,377, 7 hosts
- Verified with: Adobe, Apple Business, Google, Jamf
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| isb.rs | 22 |
| www.isb.rs | 22 |
| moze.isb.rs | 18 |
| intranet.isb.rs | 7 |
| login.isb.rs | 4 |
Full technology history →
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Recent changes
- detected Vimeo Mar 2026