What powers 
vsip.com.vn?
Last seen Oct 2026 · 33 technologies across 18 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
UI frameworks
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 88% desktop
- 12% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #904,896 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- Weight: 3.9 MB · 47 requests
- WordPress theme: vsip · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on VIETEL-AS-AP - Viettel Group (27.71.30.133)
- DNS: vnn.vn
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 577,760, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.vsip.com.vn | 30 |
| intranet.vsip.com.vn | 7 |
| vsip.com.vn | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Oct 2026
- detected MySQL Oct 2026
- detected Open Graph Oct 2026
- detected Polylang Oct 2026
- detected Priority Hints Oct 2026
- detected RSS Oct 2026
- detected Swiper Oct 2026
- detected Tailwind CSS Oct 2026
- detected Twitter Emoji (Twemoji) Oct 2026
- detected WordPress Oct 2026