What powers nbkg.rs?
Last seen Aug 2026 · 5 technologies across 5 categories
CDN
Google Hosted Libraries
since Feb 2022
Font scripts
Google Font API
since May 2019
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2026
UI frameworks
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Serbia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,353,377 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.0 MB · 39 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- National Library "Vuk Karadžić" Kragujevac
- Founded: 1953
- Country: Serbia
From Wikidata (CC0).
Infrastructure
- Hosted on BEOTEL-AS www.beotel.net (195.252.110.238)
- Email: nbkg.rs
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,483,043, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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