What powers 
webhd.vn?
Last seen Aug 2026 · 12 technologies across 11 categories
CMS
Databases
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
UI frameworks
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 Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Aug 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 81% phone
- 16% desktop
- 3% tablet
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.46 / 10 · ranked #933,299 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Vietnamese
- Weight: 4.7 MB · 55 requests
- WordPress theme: hd (child: hd-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- HD Agency
- Industry: Professional services (declares
ProfessionalService) - Profiles: Facebook, X, YouTube, Pinterest
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on AZDIGI-AS-VN AZDIGI Corporation (45.252.248.191)
- DNS: dotvndns.vn
- Email: maychuemail.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 15,527,748
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Analytics Jul 2026
- dropped Google Tag Manager Jul 2026
- dropped jQuery Jul 2026
- dropped Akismet Jun 2026
- dropped Contact Form 7 Jun 2026
- dropped core-js Jun 2026
- dropped Elementor Jun 2026
- dropped Facebook Login Jun 2026
- dropped Facebook Pixel Jun 2026
- dropped Google Font API Jun 2026
- dropped jQuery CDN Jun 2026
- dropped jQuery Migrate Jun 2026
- dropped particles.js Jun 2026
- dropped TablePress Jun 2026
- dropped ZURB Foundation Jun 2026
- detected Google Analytics May 2026
- detected Google Tag Manager May 2026
- detected GSAP May 2026
- detected Tailwind CSS May 2026
- dropped Google Analytics Apr 2026
- dropped Google Tag Manager Apr 2026
- dropped reCAPTCHA Apr 2026
- dropped Preact Jan 2026
- detected Facebook Pixel Oct 2025