What powers openclassroom.edu.vn?
Last seen Jun 2026 · 18 technologies across 10 categories
Analytics
Segment
since Apr 2020
JavaScript frameworks
RequireJS
since Apr 2020
JavaScript libraries
jQuery Migrate
since Feb 2020
Underscore.js
since Apr 2020
Miscellaneous
Performance
Google PageSpeed
since Feb 2020
Priority Hints
since Nov 2025
Programming languages
Python
since Feb 2020
Security
HSTS
since Feb 2025
Web frameworks
Django
since Feb 2020
Web servers
Nginx
since Feb 2020
Webmail
Google Workspace
since Aug 2022
Audience
- 77% desktop
- 19% phone
- 4% tablet
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.56 / 10 · ranked #22,923,539 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.2 MB · 14 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| courses.openclassroom.edu.vn | 13 |
| openclassroom.edu.vn | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Dec 2025
- detected Priority Hints Nov 2025