What powers r2s.edu.vn?
Last seen Jun 2026 · 26 technologies across 14 categories
Analytics
Google Analytics
since Sep 2022
CMS
Databases
MySQL
since Sep 2022
Font scripts
Google Font API
since Sep 2022
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Sep 2022
SEO
Tag managers
Google Tag Manager
since Sep 2022
Video players
YouTube
since Sep 2022
Web servers
LiteSpeed
since Sep 2022
Webmail
Microsoft 365
since Sep 2022
WordPress plugins
Premio Chaty
since Feb 2023
ThimPress LearnPress
since Oct 2023
Audience
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.84 / 10 · ranked #15,580,419 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 11.6 MB · 163 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.