What powers bientanvn.com?
Last seen Oct 2026 · 26 technologies across 15 categories
CDN
CMS
Databases
Documentation
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 70% phone
- 30% desktop
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.54 / 10 · ranked #6,185,801 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Vietnamese
- Weight: 1.2 MB · 85 requests
- WordPress theme: goya (child: goya-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Biến tần Anh Phú
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on VNPT-AS-VN VIETNAM POSTS AND TELECOMMUNICATIONS GROUP (103.200.23.236)
- DNS: vietnix.net
- Email: bientanvn.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 42,724,452
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected BetterDocs Oct 2026
- detected BetterDocs plugin Oct 2026
- detected GSAP Oct 2026
- dropped HSTS Oct 2026
- detected Isotope Oct 2026
- detected jQuery Oct 2026
- detected jQuery Migrate Oct 2026
- detected MathJax Oct 2026
- detected Modernizr Oct 2026
- detected Premio Chaty Oct 2026
- detected Slick Oct 2026
- detected Underscore.js Oct 2026
- detected Google Font API Jun 2026
- detected HSTS Jun 2026
- dropped Litespeed Cache Jun 2026
- detected Slider Revolution Jun 2026
- dropped BetterDocs May 2026
- dropped BetterDocs plugin May 2026
- dropped Isotope May 2026
- dropped jQuery May 2026
- dropped jQuery Migrate May 2026
- dropped LazySizes May 2026
- dropped MathJax May 2026
- dropped Modernizr May 2026
- dropped Premio Chaty May 2026
- dropped Slick May 2026
- dropped Underscore.js May 2026
- dropped Yoast SEO Premium May 2026
- dropped Cart Functionality Feb 2026
- dropped Astra Jan 2026
- dropped Google Font API Jan 2026
- dropped HTTP/3 Jan 2026
- dropped Litespeed Cache Jan 2026
- dropped WordPress Block Editor Jan 2026
- dropped Spectra Dec 2025