What powers 
gosu.vn?
Last seen Sep 2026 · 49 technologies across 23 categories
Analytics
Appsflyer
since Mar 2022
Gemius
since Oct 2019
Google Analytics
since Jun 2018
TikTok Pixel
since Jul 2021
Authentication
Facebook Login
since Jun 2021
Caching
CDN
Font Scripts
Font Awesome
since Sep 2023
Google Font API
since Jul 2019
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Message boards
Miscellaneous
Operating systems
Windows Server
since Aug 2018
Programming languages
Rich text editors
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Video players
YouTube
since Aug 2018
Web frameworks
Web servers
Webmail
Microsoft 365
since Dec 2025
Widgets
Facebook
since Aug 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 56% phone
- 44% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #631,888 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.3 MB · 84 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (103.9.204.239)
- DNS: pavietnam.vn
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 163,541, 35 hosts
- Verified with: Amazon SES, GlobalSign, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| nkvso.gosu.vn | 17 |
| 9dtruyenky2.gosu.vn | 15 |
| gosu.vn | 15 |
| nkvs2.gosu.vn | 15 |
| 9dtruyenky.gosu.vn | 13 |
| cackm.gosu.vn | 13 |
| cdtc.gosu.vn | 13 |
| cuuam.gosu.vn | 13 |
| cuuamm.gosu.vn | 13 |
| htdc.gosu.vn | 13 |
| vip.gosu.vn | 13 |
| cuuam2d.gosu.vn | 12 |
| m.gosu.vn | 12 |
| nkvs.gosu.vn | 12 |
| pay.gosu.vn | 12 |
| pay2.gosu.vn | 11 |
| hotro.gosu.vn | 10 |
| chienlong3q.gosu.vn | 9 |
| id.gosu.vn | 8 |
| auto.gosu.vn | 7 |
| nkvs5.gosu.vn | 7 |
| mpay.gosu.vn | 6 |
| nap.gosu.vn | 6 |
| www.gosu.vn | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected AOS Dec 2025
- detected Microsoft 365 Dec 2025
- dropped AOS Nov 2025