What powers vietnamtourism.org.vn?
Last seen Sep 2026 · 12 technologies across 11 categories
Analytics
Authentication
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Programming languages
UI frameworks
Video players
Web servers
Webmail
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
The other 30 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
- Sep 2026 claudebot added to robots.txt
- Sep 2026 gptbot added to robots.txt
- Sep 2026 meta-externalagent added to robots.txt
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 54% phone
- 46% desktop
United States
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.37 / 10 · ranked #1,043,928 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 3.4 MB · 140 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CMCTELECOM-VN CMC Telecom Infrastructure Company (124.158.6.230)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 743,941, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted