What powers viwase.vn?
Last seen Aug 2026 · 12 technologies across 11 categories
Font scripts
JavaScript libraries
OWL Carousel
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Nov 2023
Programming languages
UI frameworks
Bootstrap
since Aug 2022
Video players
VideoJS
since Aug 2022
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
AddThis
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.62 / 10 · ranked #806,307 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on DigitalOcean (134.199.174.44)
- DNS: zonedns.vn
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,263,958, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| viwase.vn | 12 |
| www.viwase.vn | 12 |