What powers smarttrain.edu.vn?
Last seen Aug 2026 · 28 technologies across 19 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
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
- 60% desktop
- 40% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.10 / 10 · ranked #1,419,789 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 7.8 MB · 171 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NHANHOA-AS-VN NhanHoa Software company (103.159.50.236)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 8,796,908, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Contact Form 7 Feb 2026
- dropped core-js Feb 2026