What powers ohstem.vn?
Last seen Jun 2026 · 79 technologies across 26 categories
Advertising
EthicalAds
since Nov 2022
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Sep 2020
Authentication
Facebook Login
since Jun 2021
CDN
Amazon CloudFront
since Jul 2022
Amazon S3
since Jul 2022
cdnjs
since Oct 2022
Cloudflare
since Oct 2022
jsDelivr
since Nov 2022
Unpkg
since Sep 2025
CMS
Databases
MySQL
since Sep 2020
Documentation
Sphinx
since Nov 2022
Ecommerce
Cart Functionality
since Jan 2021
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Mobile frameworks
Operating systems
Ubuntu
since Sep 2020
PaaS
Amazon Web Services
since Jul 2022
Performance
Priority Hints
since Mar 2024
Programming languages
Security
Tag managers
Google Tag Manager
since Sep 2020
UI frameworks
Web servers
Caddy
since Nov 2022
Webmail
Google Workspace
since Nov 2022
Microsoft 365
since Aug 2022
Widgets
Buttonizer
since Oct 2025
WordPress plugins
Jetpack
since Oct 2025
MailChimp for WordPress
since Feb 2022
PixelYourSite
since Nov 2025
Popup Maker
since Feb 2022
RankMath SEO
since Nov 2022
W3 Total Cache
since Nov 2024
wpBakery
since Feb 2022
Audience
- 69% desktop
- 31% phone
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.11 / 10 · ranked #10,956,352 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- Weight: 3.9 MB · 129 requests
- WordPress theme: impreza (child: impreza-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| shop.ohstem.vn | 35 |
| dev.ohstem.vn | 32 |
| learn.ohstem.vn | 31 |
| ohstem.vn | 25 |
| app.ohstem.vn | 12 |
| docs.ohstem.vn | 12 |
| fw.ohstem.vn | 8 |
| lms.ohstem.vn | 6 |
| scratch.ohstem.vn | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Preact May 2026
- dropped Preact Apr 2026
- dropped Glider.js Mar 2026
- dropped Plyr Mar 2026
- dropped Vimeo Mar 2026
- dropped YouTube Mar 2026
- detected PixelYourSite Nov 2025
- detected Cloudflare Bot Management Sep 2025