What powers a21studio.com.vn?
Last seen Jun 2026 · 21 technologies across 14 categories
Analytics
Google Analytics
since Oct 2023
CMS
Databases
MySQL
since Jul 2022
JavaScript frameworks
JavaScript libraries
LazySizes
since Jul 2022
Miscellaneous
Page builders
wpBakery
since Jul 2022
Programming languages
PHP
since Jul 2022
Security
Really Simple SSL & Security
since Jun 2024
UI frameworks
Video players
VideoJS
since Jul 2022
Web servers
LiteSpeed
since Jul 2023
Widgets
WordPress plugins
Audience
- 86% desktop
- 14% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.95 / 10 · ranked #1,685,390 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 3.4 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped core-js Feb 2026