What powers vusta.vn?
Last seen Aug 2026 · 19 technologies across 14 categories
Analytics
Google Analytics
since Mar 2022
Authentication
Facebook Login
since Feb 2022
CDN
cdnjs
since Feb 2022
Cloudflare
since May 2022
CMS
DNN
since Dec 2019
Font scripts
Google Font API
since Feb 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Windows Server
since Jan 2019
Programming languages
UI frameworks
Video players
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% phone
- 47% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.29 / 10 · ranked #436,170 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.3 MB · 87 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vietnam Union of Science and Technology Associations
- Founded: 1983
- Country: Vietnam
From Wikidata (CC0).
Infrastructure
- Hosted on VTDC-AS-VN Vietel - CHT Compamy Ltd (171.244.133.53)
- DNS: vdconline.vn
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail)
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 843,580, 6 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vusta.vn | 12 |
| en.vusta.vn | 11 |
| www.vusta.vn | 8 |