What powers 
hdradio.vn?
Last seen Oct 2026 · 26 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since Jun 2021
Font scripts
Google Font API
since Mar 2021
JavaScript frameworks
Next.js App Router
since May 2026
React
since May 2026
JavaScript libraries
Live chat
Facebook Chat Plugin
since Oct 2021
Miscellaneous
Performance
Priority Hints
since May 2026
Programming languages
Security
HSTS
since May 2026
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Oct 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Audience
- 78% phone
- 20% desktop
- 1% tablet
Vietnam
Indonesia
Japan
United States
Nepal
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.98 / 10 · ranked #582,945 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 150 ms |
| CLS | 0.6 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Vietnamese
- Weight: 11.2 MB · 192 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on VNPT-AS-VN - VNPT Corp (103.42.58.74)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 12,576,550, 4 hosts
- Verified with: Brevo, Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| hdradio.vn | 16 |
| www.hdradio.vn | 16 |