What powers happylott.vn?
Last seen Jun 2026 · 9 technologies across 5 categories
Audience
- 100% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 0.5 s |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.5 MB · 33 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped IIS May 2026
- dropped Microsoft ASP.NET May 2026
- dropped Windows Server May 2026
- detected HSTS Apr 2026
- detected HTTP/2 Apr 2026
- detected Microsoft ASP.NET Feb 2026