What powers i-school.vn?
Last seen Jun 2026 · 21 technologies across 13 categories
CDN
Cloudflare
since Oct 2025
jsDelivr
since Jun 2025
Documentation
GitBook
since Oct 2025
Font scripts
Google Font API
since Jun 2025
JavaScript frameworks
JavaScript libraries
AOS
since Jun 2025
Miscellaneous
HTTP/3
since Oct 2025
Open Graph
since Jun 2025
PWA
since Jun 2025
RSS
since Dec 2025
Webpack
since Nov 2024
Operating systems
Ubuntu
since Nov 2024
PaaS
Vercel
since Oct 2025
Performance
Priority Hints
since Oct 2025
Programming languages
Node.js
since Nov 2024
Security
HSTS
since Jul 2025
Video players
YouTube
since Sep 2025
Web servers
Audience
- 65% phone
- 35% desktop
Vietnam
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.06 / 10 · ranked #11,577,793 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 5.5 MB · 88 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| help.i-school.vn | 13 |
| i-school.vn | 8 |
| course.i-school.vn | 6 |
| dhttrtqu.i-school.vn | 6 |
| dtp.i-school.vn | 6 |
| dtpa.i-school.vn | 6 |
| dtphcm.i-school.vn | 6 |
| dtphcm1.i-school.vn | 6 |
| dtphcm3.i-school.vn | 6 |
| dtphcm4.i-school.vn | 6 |
| dtpmekong.i-school.vn | 6 |
| dtpmientrung.i-school.vn | 6 |
| dtptbb.i-school.vn | 6 |
| dtu.i-school.vn | 6 |
| dx.i-school.vn | 6 |
| hcmunre.i-school.vn | 6 |
| hsu-gep.i-school.vn | 6 |
| hsu.i-school.vn | 6 |
| khaosatnangluc-sonla.i-school.vn | 6 |
| khaosatnangluc-vinhlong.i-school.vn | 6 |
| sgdth.i-school.vn | 6 |
| tuyenquang.i-school.vn | 6 |
| vanhien.i-school.vn | 6 |
| vinhlong.i-school.vn | 6 |
Full technology history →
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Recent changes
- detected RSS Dec 2025