What powers cos.edu.vn?
Last seen Jun 2026 · 16 technologies across 10 categories
Authentication
Facebook Login
since Apr 2022
CDN
jQuery CDN
since Apr 2022
JavaScript libraries
Maps
Google Maps
since Jul 2025
Operating systems
Windows Server
since Apr 2022
Tag managers
Google Tag Manager
since Oct 2024
UI frameworks
Bootstrap
since Apr 2022
Tailwind CSS
since Jul 2025
Video players
YouTube
since Apr 2022
Web frameworks
Web servers
Audience
- 100% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.48 / 10 · ranked #25,989,810 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 75.2 MB · 144 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sinhvien.cos.edu.vn | 11 |
| cos.edu.vn | 10 |