What powers underdog.vn?
Last seen Jun 2026 · 12 technologies across 7 categories
Ecommerce
Font scripts
Google Font API
since Oct 2023
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
Security
HSTS
since Oct 2023
UI frameworks
Web servers
Audience
- 51% desktop
- 49% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 3.6 MB · 68 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.