What powers cpen.vn?
Last seen Jun 2026 · 26 technologies across 12 categories
Analytics
Google Analytics
since Feb 2025
CDN
cdnjs
since Feb 2025
Cloudflare
since Feb 2025
CMS
Databases
MySQL
since Nov 2024
Font scripts
Google Font API
since Feb 2025
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript libraries
Select2
since Feb 2025
Miscellaneous
Performance
Priority Hints
since Nov 2024
Programming languages
Security
reCAPTCHA
since May 2025
Web servers
LiteSpeed
since Nov 2024
WordPress plugins
Popup Maker
since Apr 2026
RankMath SEO
since Feb 2025
Audience
- 53% desktop
- 47% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 2.8 MB · 56 requests
- WordPress theme: flatsome (child: newedu) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery UI Apr 2026
- detected Popup Maker Apr 2026
- detected Twitter Emoji (Twemoji) Dec 2025