What powers 
cvt.vn?
Last seen Apr 2026 · 38 technologies across 22 categories
Analytics
Google Analytics
since Jun 2018
Authentication
Facebook Login
since Jun 2021
CDN
CMS
Databases
MySQL
since Nov 2018
Font scripts
Google Font API
since Aug 2021
Twitter Emoji (Twemoji)
since Apr 2026
IaaS
Google Cloud
since Jul 2025
Issue trackers
Sentry
since Jul 2025
JavaScript frameworks
JavaScript libraries
OWL Carousel
since Apr 2026
Maps
Google Maps
since Apr 2026
Message boards
XenForo
since Feb 2016
Miscellaneous
Operating systems
Ubuntu
since Aug 2024
Page builders
wpBakery
since Apr 2026
Performance
Priority Hints
since Jul 2025
Programming languages
PHP
since Jun 2018
Security
HSTS
since Mar 2023
UI frameworks
Video players
YouTube
since Apr 2026
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Open Page Rank
5.32 / 10 · ranked #190,078 of all domains
237 referring domains · OpenPageRank
Infrastructure
- Hosted on LUUTRUSO-AS-VN Digital Storage Company Limited (103.255.237.233)
- DNS: pavietnam.vn
- Email: cvt.vn
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 4096, expires May 2027
- Common Crawl link graph: rank 148,502, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cvt.vn | 27 |
| www.cvt.vn | 13 |