What powers 
luhanhvietnam.com.vn?
Last seen Aug 2026 · 23 technologies across 15 categories
Analytics
Authentication
CDN
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
Programming languages
Tag managers
UI frameworks
Web servers
Webmail
Widgets
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 72% phone
- 28% desktop
Vietnam
Germany
Japan
United States
Australia
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.18 / 10 · ranked #463,671 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 10.4 MB · 210 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.42.251, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 2,308,995, 8 hosts
- Verified with: Google, Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| luhanhvietnam.com.vn | 19 |
| www.luhanhvietnam.com.vn | 19 |
| tour.luhanhvietnam.com.vn | 10 |
Full technology history →
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Recent changes
- dropped Apache HTTP Server May 2026
- detected Facebook Login Jan 2026
- detected SweetAlert2 Jan 2026
- detected toastr Jan 2026