What powers sheraboard.vn?
Last seen Oct 2026 · 15 technologies across 10 categories
CMS
Databases
Font scripts
JavaScript libraries
Live chat
Miscellaneous
Programming languages
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 61% desktop
- 39% phone
Indonesia
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.19 / 10 · ranked #1,276,555 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Vietnamese
- Weight: 1.7 MB · 86 requests
- WordPress theme: hd (child: hd-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- NGUYEN KHANG STEEL CO., LTD
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on AZDIGI-AS-VN AZDIGI Corporation (103.221.221.15)
- DNS: inet.vn
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 17,721,890
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
- dropped Akismet Oct 2026
- dropped AOS Oct 2026
- dropped cdnjs Oct 2026
- dropped Cloudflare Oct 2026
- dropped Contact Form 7 Oct 2026
- detected core-js Oct 2026
- dropped Elementor Oct 2026
- dropped Font Awesome Oct 2026
- dropped Google Analytics Oct 2026
- detected Google Font API Oct 2026
- dropped Google Tag Manager Oct 2026
- detected HTTP/3 Oct 2026
- dropped Litespeed Cache Oct 2026
- dropped OWL Carousel Oct 2026
- dropped Priority Hints Oct 2026
- detected Tailwind CSS Oct 2026
- detected Underscore.js Oct 2026
- dropped Webpack Oct 2026
- detected WhatsApp Business Chat Oct 2026
- dropped ZURB Foundation Oct 2026
- dropped core-js Sep 2026
- dropped HTTP/3 Sep 2026
- dropped Polylang Sep 2026
- dropped Underscore.js Sep 2026
- detected Litespeed Cache Aug 2026