What powers vietbis.vn?
Last seen Sep 2026 · 15 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Font scripts
Font Awesome
since Jan 2019
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Live chat
Facebook Chat Plugin
since Nov 2021
Miscellaneous
Open Graph
since Sep 2022
Operating systems
Windows Server
since Jan 2019
UI frameworks
Web frameworks
Web servers
Widgets
AddThis
since Jan 2019
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.50 / 10 · ranked #2,492,419 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.5 MB · 143 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (103.139.202.19)
- DNS: dotvndns.vn
- Email: maychuemail.com
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 18,661,682, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted