What powers hdiu.edu.vn?
Last seen Sep 2026 · 33 technologies across 18 categories
Analytics
Authentication
Facebook Login
since Sep 2026
Amazon SES
since Sep 2025
Font scripts
Google Font API
since Jul 2023
JavaScript libraries
Live chat
Facebook Chat Plugin
since Jan 2025
Maps
Google Maps
since Jul 2023
Miscellaneous
Open Graph
since Jul 2023
Popper
since Nov 2022
Operating systems
Windows Server
since Mar 2019
PaaS
Amazon Web Services
since Sep 2025
Vercel
since Sep 2026
Programming languages
PHP
since May 2026
Security
HSTS
since May 2025
Tag managers
Google Tag Manager
since Sep 2026
UI frameworks
Video players
VideoJS
since Sep 2026
Web frameworks
Web servers
Webmail
Microsoft 365
since Sep 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 56% phone
- 44% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.47 / 10 · ranked #2,546,607 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 5.8 MB · 43 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Trường Đại học Đông Đô (Dong Do University on Wikidata)
- Country: Vietnam
- Profiles: Facebook
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on VNPT-AS-VN VNPT Corp (123.30.171.174)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 15,068,952, 11 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| webtuyensinh.hdiu.edu.vn | 17 |
| hdiu.edu.vn | 12 |
| tsdaihoc.hdiu.edu.vn | 12 |
| www.hdiu.edu.vn | 12 |
| tuyensinh.hdiu.edu.vn | 11 |
| 30nam.hdiu.edu.vn | 10 |
| duni.hdiu.edu.vn | 10 |
| khaosat.hdiu.edu.vn | 10 |
| khcn.hdiu.edu.vn | 10 |
| lib.hdiu.edu.vn | 10 |
| daotao.hdiu.edu.vn | 8 |
| ts.hdiu.edu.vn | 8 |
| thuvien.hdiu.edu.vn | 7 |
Full technology history →
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