What powers psi.vn?
Last seen Jun 2026 · 29 technologies across 15 categories
Analytics
Google Analytics
since Oct 2020
Umami
since Sep 2025
Authentication
Google Sign-in
since Nov 2021
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Facebook Chat Plugin
since Oct 2021
Miscellaneous
Performance
Priority Hints
since Sep 2025
Programming languages
Rich text editors
CKEditor
since May 2023
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Oct 2020
UI frameworks
Bootstrap
since May 2023
Tailwind CSS
since Apr 2022
Web servers
Nginx
since Aug 2021
Webmail
Microsoft 365
since Feb 2024
Audience
- 76% phone
- 24% desktop
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.50 / 10 · ranked #2,492,391 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 275 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 6.4 MB · 54 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| sci.psi.vn | 12 |
| price.psi.vn | 11 |
| tuyendung.psi.vn | 11 |
| www.psi.vn | 8 |
| online.psi.vn | 3 |
Full technology history →
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Recent changes
- detected Google Sign-in Aug 2025